125605618527 has 16 divisors (see below), whose sum is σ = 174892400640. Its totient is φ = 80033656032.

The previous prime is 125605618517. The next prime is 125605618577. The reversal of 125605618527 is 725816506521.

It is not a de Polignac number, because 125605618527 - 2³⁴ = 108425749343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125605618517) 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, 623388 + ... + 799889.

It is an arithmetic number, because the mean of its divisors is an integer number (10930775040).

Almost surely, 2^125605618527 is an apocalyptic number.

125605618527 is a deficient number, since it is larger than the sum of its proper divisors (49286782113).

125605618527 is a wasteful number, since it uses less digits than its factorization.

125605618527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424582.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 125605618527 in words is "one hundred twenty-five billion, six hundred five million, six hundred eighteen thousand, five hundred twenty-seven".