125604511055 has 24 divisors (see below), whose sum is σ = 157832442432. Its totient is φ = 95922882432.

The previous prime is 125604511037. The next prime is 125604511057. The reversal of 125604511055 is 550115406521.

It is not a de Polignac number, because 125604511055 - 2⁸ = 125604510799 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 (125604511057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189674 + ... + 535896.

It is an arithmetic number, because the mean of its divisors is an integer number (6576351768).

Almost surely, 2^125604511055 is an apocalyptic number.

125604511055 is a deficient number, since it is larger than the sum of its proper divisors (32227931377).

125604511055 is an equidigital number, since it uses as much as digits as its factorization.

125604511055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346355 (or 346318 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 125604511055 its reverse (550115406521), we get a palindrome (675719917576).

The spelling of 125604511055 in words is "one hundred twenty-five billion, six hundred four million, five hundred eleven thousand, fifty-five".