125204156016 has 20 divisors (see below), whose sum is σ = 323444069832. Its totient is φ = 41734718656.

The previous prime is 125204156003. The next prime is 125204156017. The reversal of 125204156016 is 610651402521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125204156017) 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, 1304209911 + ... + 1304210006.

Almost surely, 2^125204156016 is an apocalyptic number.

125204156016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125204156016 is an abundant number, since it is smaller than the sum of its proper divisors (198239913816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125204156016 is a wasteful number, since it uses less digits than its factorization.

125204156016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608419928 (or 2608419922 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 125204156016 its reverse (610651402521), we get a palindrome (735855558537).

The spelling of 125204156016 in words is "one hundred twenty-five billion, two hundred four million, one hundred fifty-six thousand, sixteen".