125073945936 has 80 divisors (see below), whose sum is σ = 359231224000. Its totient is φ = 41665456512.

The previous prime is 125073945917. The next prime is 125073945947. The reversal of 125073945936 is 639549370521.

125073945936 is a `hidden beast` number, since 1 + 2 + 507 + 3 + 9 + 45 + 93 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613890 + ... + 791838.

It is an arithmetic number, because the mean of its divisors is an integer number (4490390300).

Almost surely, 2^125073945936 is an apocalyptic number.

125073945936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125073945936 is an abundant number, since it is smaller than the sum of its proper divisors (234157278064).

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

125073945936 is a wasteful number, since it uses less digits than its factorization.

125073945936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179593 (or 179581 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The spelling of 125073945936 in words is "one hundred twenty-five billion, seventy-three million, nine hundred forty-five thousand, nine hundred thirty-six".