125136475600 has 30 divisors (see below), whose sum is σ = 300640383590. Its totient is φ = 50054590080.

The previous prime is 125136475591. The next prime is 125136475609. The reversal of 125136475600 is 6574631521.

It is an interprime number because it is at equal distance from previous prime (125136475591) and next prime (125136475609).

It can be written as a sum of positive squares in 3 ways, for example, as 21230821264 + 103905654336 = 145708^2 + 322344^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125136475609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156420195 + ... + 156420994.

Almost surely, 2^125136475600 is an apocalyptic number.

125136475600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125136475600 is an abundant number, since it is smaller than the sum of its proper divisors (175503907990).

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

125136475600 is a wasteful number, since it uses less digits than its factorization.

125136475600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312841207 (or 312841196 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 125136475600 in words is "one hundred twenty-five billion, one hundred thirty-six million, four hundred seventy-five thousand, six hundred".