125365635240 has 64 divisors (see below), whose sum is σ = 376627622400. Its totient is φ = 33383661312.

The previous prime is 125365635229. The next prime is 125365635247. The reversal of 125365635240 is 42536563521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125365635192 and 125365635201.

It is not an unprimeable number, because it can be changed into a prime (125365635247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651672 + ... + 821831.

It is an arithmetic number, because the mean of its divisors is an integer number (5884806600).

Almost surely, 2^125365635240 is an apocalyptic number.

125365635240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125365635240 is an abundant number, since it is smaller than the sum of its proper divisors (251261987160).

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

125365635240 is a wasteful number, since it uses less digits than its factorization.

125365635240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474226 (or 1474222 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 125365635240 in words is "one hundred twenty-five billion, three hundred sixty-five million, six hundred thirty-five thousand, two hundred forty".