155124222513 has 32 divisors (see below), whose sum is σ = 223918800000. Its totient is φ = 94957664256.

The previous prime is 155124222479. The next prime is 155124222529. The reversal of 155124222513 is 315222421551.

It is not a de Polignac number, because 155124222513 - 2²⁰ = 155123173937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155124222553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11050383 + ... + 11064411.

It is an arithmetic number, because the mean of its divisors is an integer number (6997462500).

Almost surely, 2^155124222513 is an apocalyptic number.

155124222513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155124222513 is a deficient number, since it is larger than the sum of its proper divisors (68794577487).

155124222513 is a wasteful number, since it uses less digits than its factorization.

155124222513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521.

The product of its digits is 24000, while the sum is 33.

The spelling of 155124222513 in words is "one hundred fifty-five billion, one hundred twenty-four million, two hundred twenty-two thousand, five hundred thirteen".