125735525554 has 4 divisors (see below), whose sum is σ = 188603288334. Its totient is φ = 62867762776.

The previous prime is 125735525501. The next prime is 125735525567. The reversal of 125735525554 is 455525537521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95433419929 + 30302105625 = 308923^2 + 174075^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125735525498 and 125735525507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31433881387 + ... + 31433881390.

Almost surely, 2^125735525554 is an apocalyptic number.

125735525554 is a deficient number, since it is larger than the sum of its proper divisors (62867762780).

125735525554 is an equidigital number, since it uses as much as digits as its factorization.

125735525554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62867762779.

The product of its digits is 5250000, while the sum is 49.

The spelling of 125735525554 in words is "one hundred twenty-five billion, seven hundred thirty-five million, five hundred twenty-five thousand, five hundred fifty-four".