125544164215124 has 12 divisors (see below), whose sum is σ = 219752643191424. Its totient is φ = 62757694731864.

The previous prime is 125544164215121. The next prime is 125544164215189. The reversal of 125544164215124 is 421512461445521.

It is a super-2 number, since 2×125544164215124² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125544164215121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596824292 + ... + 3596859195.

It is an arithmetic number, because the mean of its divisors is an integer number (18312720265952).

Almost surely, 2^{125544164215124} is an apocalyptic number.

It is an amenable number.

125544164215124 is a deficient number, since it is larger than the sum of its proper divisors (94208478976300).

125544164215124 is a wasteful number, since it uses less digits than its factorization.

125544164215124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7193687854 (or 7193687852 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 47.

The spelling of 125544164215124 in words is "one hundred twenty-five trillion, five hundred forty-four billion, one hundred sixty-four million, two hundred fifteen thousand, one hundred twenty-four".