125356836100 has 36 divisors (see below), whose sum is σ = 276483763108. Its totient is φ = 49320720000.

The previous prime is 125356836091. The next prime is 125356836107. The reversal of 125356836100 is 1638653521.

It can be written as a sum of positive squares in 6 ways, for example, as 15127524036 + 110229312064 = 122994^2 + 332008^2 .

It is not an unprimeable number, because it can be changed into a prime (125356836107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10269051 + ... + 10281250.

Almost surely, 2^125356836100 is an apocalyptic number.

125356836100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125356836100 is an abundant number, since it is smaller than the sum of its proper divisors (151126927008).

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

125356836100 is a wasteful number, since it uses less digits than its factorization.

125356836100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20550376 (or 20550369 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 125356836100 in words is "one hundred twenty-five billion, three hundred fifty-six million, eight hundred thirty-six thousand, one hundred".