155114055187 has 96 divisors (see below), whose sum is σ = 203705779200. Its totient is φ = 116977416192.

The previous prime is 155114055181. The next prime is 155114055193. The reversal of 155114055187 is 781550411551.

It is an interprime number because it is at equal distance from previous prime (155114055181) and next prime (155114055193).

It is a de Polignac number, because none of the positive numbers 2^k-155114055187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (155114055181) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209896864 + ... + 209897602.

It is an arithmetic number, because the mean of its divisors is an integer number (2121935200).

Almost surely, 2^155114055187 is an apocalyptic number.

155114055187 is a deficient number, since it is larger than the sum of its proper divisors (48591724013).

155114055187 is a wasteful number, since it uses less digits than its factorization.

155114055187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 43.

The spelling of 155114055187 in words is "one hundred fifty-five billion, one hundred fourteen million, fifty-five thousand, one hundred eighty-seven".