125704465381 has 16 divisors (see below), whose sum is σ = 139543303680. Its totient is φ = 112269901680.

The previous prime is 125704465363. The next prime is 125704465387. The reversal of 125704465381 is 183564407521.

It is a cyclic number.

It is not a de Polignac number, because 125704465381 - 2⁵ = 125704465349 is a prime.

It is a super-2 number, since 2×125704465381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125704465387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996400 + ... + 1115446.

It is an arithmetic number, because the mean of its divisors is an integer number (8721456480).

Almost surely, 2^125704465381 is an apocalyptic number.

125704465381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125704465381 is a deficient number, since it is larger than the sum of its proper divisors (13838838299).

125704465381 is a wasteful number, since it uses less digits than its factorization.

125704465381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120744.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 125704465381 in words is "one hundred twenty-five billion, seven hundred four million, four hundred sixty-five thousand, three hundred eighty-one".