125550765634 has 48 divisors (see below), whose sum is σ = 223400713536. Its totient is φ = 51837105600.

The previous prime is 125550765623. The next prime is 125550765667. The reversal of 125550765634 is 436567055521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5416249 + ... + 5439379.

It is an arithmetic number, because the mean of its divisors is an integer number (4654181532).

Almost surely, 2^125550765634 is an apocalyptic number.

125550765634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125550765634 is a deficient number, since it is larger than the sum of its proper divisors (97849947902).

125550765634 is a wasteful number, since it uses less digits than its factorization.

125550765634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23659 (or 23630 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 125550765634 in words is "one hundred twenty-five billion, five hundred fifty million, seven hundred sixty-five thousand, six hundred thirty-four".