125154025525 has 24 divisors (see below), whose sum is σ = 163389229920. Its totient is φ = 94835989440.

The previous prime is 125154025453. The next prime is 125154025531. The reversal of 125154025525 is 525520451521.

It is not a de Polignac number, because 125154025525 - 2¹⁵ = 125153992757 is a prime.

It is a super-2 number, since 2×125154025525² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2910834 + ... + 2953516.

It is an arithmetic number, because the mean of its divisors is an integer number (6807884580).

Almost surely, 2^125154025525 is an apocalyptic number.

It is an amenable number.

125154025525 is a deficient number, since it is larger than the sum of its proper divisors (38235204395).

125154025525 is a wasteful number, since it uses less digits than its factorization.

125154025525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48885 (or 48880 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 125154025525 in words is "one hundred twenty-five billion, one hundred fifty-four million, twenty-five thousand, five hundred twenty-five".