155656061101 has 8 divisors (see below), whose sum is σ = 157398072480. Its totient is φ = 153919369968.

The previous prime is 155656061081. The next prime is 155656061191. The reversal of 155656061101 is 101160656551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155656061101 - 2²⁹ = 155119190189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155656061191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271206 + ... + 1388263.

It is an arithmetic number, because the mean of its divisors is an integer number (19674759060).

Almost surely, 2^155656061101 is an apocalyptic number.

It is an amenable number.

155656061101 is a deficient number, since it is larger than the sum of its proper divisors (1742011379).

155656061101 is a wasteful number, since it uses less digits than its factorization.

155656061101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660123.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 155656061101 in words is "one hundred fifty-five billion, six hundred fifty-six million, sixty-one thousand, one hundred one".