155022064129 has 16 divisors (see below), whose sum is σ = 160170091200. Its totient is φ = 149925207744.

The previous prime is 155022064121. The next prime is 155022064139. The reversal of 155022064129 is 921460220551.

It is a cyclic number.

It is not a de Polignac number, because 155022064129 - 2³ = 155022064121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155022064121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24230359 + ... + 24236755.

It is an arithmetic number, because the mean of its divisors is an integer number (10010630700).

Almost surely, 2^155022064129 is an apocalyptic number.

It is an amenable number.

155022064129 is a deficient number, since it is larger than the sum of its proper divisors (5148027071).

155022064129 is a wasteful number, since it uses less digits than its factorization.

155022064129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 155022064129 in words is "one hundred fifty-five billion, twenty-two million, sixty-four thousand, one hundred twenty-nine".