125434024551 has 48 divisors (see below), whose sum is σ = 208603584000. Its totient is φ = 74403069840.

The previous prime is 125434024537. The next prime is 125434024579. The reversal of 125434024551 is 155420434521.

125434024551 is a `hidden beast` number, since 1 + 2 + 5 + 43 + 40 + 24 + 551 = 666.

It is not a de Polignac number, because 125434024551 - 2⁵ = 125434024519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125434024511) 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, 254901 + ... + 561998.

It is an arithmetic number, because the mean of its divisors is an integer number (4345908000).

Almost surely, 2^125434024551 is an apocalyptic number.

125434024551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125434024551 is a deficient number, since it is larger than the sum of its proper divisors (83169559449).

125434024551 is a wasteful number, since it uses less digits than its factorization.

125434024551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816977 (or 816960 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 125434024551 in words is "one hundred twenty-five billion, four hundred thirty-four million, twenty-four thousand, five hundred fifty-one".