125557292705544 has 96 divisors (see below), whose sum is σ = 405526659707520. Its totient is φ = 34313794276608.

The previous prime is 125557292705539. The next prime is 125557292705633. The reversal of 125557292705544 is 445507292755521.

125557292705544 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 5 + 7 + 2 + 9 + 2 + 70 + 554 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 5415675637 + ... + 5415698820.

It is an arithmetic number, because the mean of its divisors is an integer number (4224236038620).

Almost surely, 2^{125557292705544} is an apocalyptic number.

125557292705544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125557292705544 is an abundant number, since it is smaller than the sum of its proper divisors (279969367001976).

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

125557292705544 is a wasteful number, since it uses less digits than its factorization.

125557292705544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831374499 (or 10831374492 counting only the distinct ones).

The product of its (nonzero) digits is 176400000, while the sum is 63.

The spelling of 125557292705544 in words is "one hundred twenty-five trillion, five hundred fifty-seven billion, two hundred ninety-two million, seven hundred five thousand, five hundred forty-four".