155807963135 has 8 divisors (see below), whose sum is σ = 203966788176. Its totient is φ = 113314882240.

The previous prime is 155807963081. The next prime is 155807963159. The reversal of 155807963135 is 531369708551.

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

It is not a de Polignac number, because 155807963135 - 2³⁰ = 154734221311 is a prime.

It is a super-2 number, since 2×155807963135² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416435974 + ... + 1416436083.

It is an arithmetic number, because the mean of its divisors is an integer number (25495848522).

Almost surely, 2^155807963135 is an apocalyptic number.

155807963135 is a deficient number, since it is larger than the sum of its proper divisors (48158825041).

155807963135 is a wasteful number, since it uses less digits than its factorization.

155807963135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832872073.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 155807963135 in words is "one hundred fifty-five billion, eight hundred seven million, nine hundred sixty-three thousand, one hundred thirty-five".