125840563329 has 16 divisors (see below), whose sum is σ = 182351892800. Its totient is φ = 76729882176.

The previous prime is 125840563327. The next prime is 125840563339. The reversal of 125840563329 is 923365048521.

It is not a de Polignac number, because 125840563329 - 2¹ = 125840563327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125840563327) 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, 14797039 + ... + 14805540.

It is an arithmetic number, because the mean of its divisors is an integer number (11396993300).

Almost surely, 2^125840563329 is an apocalyptic number.

It is an amenable number.

125840563329 is a deficient number, since it is larger than the sum of its proper divisors (56511329471).

125840563329 is a wasteful number, since it uses less digits than its factorization.

125840563329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29602704.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 125840563329 in words is "one hundred twenty-five billion, eight hundred forty million, five hundred sixty-three thousand, three hundred twenty-nine".