125381161725 has 48 divisors (see below), whose sum is σ = 208997373312. Its totient is φ = 66323496960.

The previous prime is 125381161723. The next prime is 125381161733. The reversal of 125381161725 is 527161183521.

It is not a de Polignac number, because 125381161725 - 2¹ = 125381161723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125381161723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4865224 + ... + 4890926.

It is an arithmetic number, because the mean of its divisors is an integer number (4354111944).

Almost surely, 2^125381161725 is an apocalyptic number.

125381161725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125381161725 is a deficient number, since it is larger than the sum of its proper divisors (83616211587).

125381161725 is a wasteful number, since it uses less digits than its factorization.

125381161725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246 (or 26241 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The spelling of 125381161725 in words is "one hundred twenty-five billion, three hundred eighty-one million, one hundred sixty-one thousand, seven hundred twenty-five".