125630650650 has 24 divisors (see below), whose sum is σ = 311564013984. Its totient is φ = 33501506800.

The previous prime is 125630650637. The next prime is 125630650657. The reversal of 125630650650 is 56056036521.

It is a junction number, because it is equal to n+sod(n) for n = 125630650599 and 125630650608.

It is not an unprimeable number, because it can be changed into a prime (125630650657) 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, 418768686 + ... + 418768985.

It is an arithmetic number, because the mean of its divisors is an integer number (12981833916).

Almost surely, 2^125630650650 is an apocalyptic number.

125630650650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125630650650 is an abundant number, since it is smaller than the sum of its proper divisors (185933363334).

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

125630650650 is a wasteful number, since it uses less digits than its factorization.

125630650650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837537686 (or 837537681 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 125630650650 in words is "one hundred twenty-five billion, six hundred thirty million, six hundred fifty thousand, six hundred fifty".