125020163511 has 6 divisors (see below), whose sum is σ = 180584680640. Its totient is φ = 83346775668.

The previous prime is 125020163461. The next prime is 125020163519. The reversal of 125020163511 is 115361020521.

125020163511 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 20 + 1 + 635 + 1 + 1 = 666.

It is not a de Polignac number, because 125020163511 - 2⁶ = 125020163447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125020163519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6945564631 + ... + 6945564648.

Almost surely, 2^125020163511 is an apocalyptic number.

125020163511 is a deficient number, since it is larger than the sum of its proper divisors (55564517129).

125020163511 is a wasteful number, since it uses less digits than its factorization.

125020163511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891129285 (or 13891129282 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 125020163511 in words is "one hundred twenty-five billion, twenty million, one hundred sixty-three thousand, five hundred eleven".