125902502605 has 32 divisors (see below), whose sum is σ = 174564263808. Its totient is φ = 86153932800.

The previous prime is 125902502599. The next prime is 125902502653. The reversal of 125902502605 is 506205209521.

It is not a de Polignac number, because 125902502605 - 2²⁵ = 125868948173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3498634 + ... + 3534436.

It is an arithmetic number, because the mean of its divisors is an integer number (5455133244).

Almost surely, 2^125902502605 is an apocalyptic number.

It is an amenable number.

125902502605 is a deficient number, since it is larger than the sum of its proper divisors (48661761203).

125902502605 is a wasteful number, since it uses less digits than its factorization.

125902502605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39597.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 125902502605 in words is "one hundred twenty-five billion, nine hundred two million, five hundred two thousand, six hundred five".