155013134715 has 12 divisors (see below), whose sum is σ = 268689433584. Its totient is φ = 82673671824.

The previous prime is 155013134711. The next prime is 155013134719. The reversal of 155013134715 is 517431310551.

155013134715 is a `hidden beast` number, since 1 + 5 + 50 + 131 + 3 + 471 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (155013134711) and next prime (155013134719).

It is not a de Polignac number, because 155013134715 - 2² = 155013134711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155013134715.

It is not an unprimeable number, because it can be changed into a prime (155013134711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722368119 + ... + 1722368208.

It is an arithmetic number, because the mean of its divisors is an integer number (22390786132).

Almost surely, 2^155013134715 is an apocalyptic number.

155013134715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155013134715 is a deficient number, since it is larger than the sum of its proper divisors (113676298869).

155013134715 is a wasteful number, since it uses less digits than its factorization.

155013134715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444736338 (or 3444736335 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 155013134715 in words is "one hundred fifty-five billion, thirteen million, one hundred thirty-four thousand, seven hundred fifteen".