155159932855041 has 9 divisors (see below), whose sum is σ = 224119956990241. Its totient is φ = 103439930324052.

The previous prime is 155159932855009. The next prime is 155159932855079. The reversal of 155159932855041 is 140558239951551.

It is a happy number.

The square root of 155159932855041 is 12456321.

It is a perfect power (a square), and thus also a powerful number.

155159932855041 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 5 + 9 + 9 + 32 + 8 + 550 + 41 = 666.

155159932855041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 155159932855041 - 2⁵ = 155159932855009 is a prime.

It is a super-2 number, since 2×155159932855041² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155159932855041.

It is not an unprimeable number, because it can be changed into a prime (155159932855091) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35292910 + ... + 39445016.

Almost surely, 2^{155159932855041} is an apocalyptic number.

155159932855041 is the 12456321-st square number.

155159932855041 is the 6228161-st centered octagonal number.

It is an amenable number.

155159932855041 is a deficient number, since it is larger than the sum of its proper divisors (68960024135200).

155159932855041 is an frugal number, since it uses more digits than its factorization.

155159932855041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304220 (or 4152110 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 63.

The spelling of 155159932855041 in words is "one hundred fifty-five trillion, one hundred fifty-nine billion, nine hundred thirty-two million, eight hundred fifty-five thousand, forty-one".