125577464744 has 32 divisors (see below), whose sum is σ = 240957590400. Its totient is φ = 61327553280.

The previous prime is 125577464737. The next prime is 125577464827. The reversal of 125577464744 is 447464775521.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125577464744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155489 + ... + 524720.

It is an arithmetic number, because the mean of its divisors is an integer number (7529924700).

Almost surely, 2^125577464744 is an apocalyptic number.

It is an amenable number.

125577464744 is a deficient number, since it is larger than the sum of its proper divisors (115380125656).

125577464744 is a wasteful number, since it uses less digits than its factorization.

125577464744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680753 (or 680749 counting only the distinct ones).

The product of its digits is 26342400, while the sum is 56.

The spelling of 125577464744 in words is "one hundred twenty-five billion, five hundred seventy-seven million, four hundred sixty-four thousand, seven hundred forty-four".