2155331535125 has 16 divisors (see below), whose sum is σ = 2714992592832. Its totient is φ = 1708150589200.

The previous prime is 2155331535107. The next prime is 2155331535139. The reversal of 2155331535125 is 5215351335512.

It is not a de Polignac number, because 2155331535125 - 2¹⁴ = 2155331518741 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 80559767 + ... + 80586516.

It is an arithmetic number, because the mean of its divisors is an integer number (169687037052).

Almost surely, 2^{2155331535125} is an apocalyptic number.

2155331535125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2155331535125 is a deficient number, since it is larger than the sum of its proper divisors (559661057707).

2155331535125 is a wasteful number, since it uses less digits than its factorization.

2155331535125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161146405 (or 161146395 counting only the distinct ones).

The product of its digits is 337500, while the sum is 41.

The spelling of 2155331535125 in words is "two trillion, one hundred fifty-five billion, three hundred thirty-one million, five hundred thirty-five thousand, one hundred twenty-five".