125604511063 has 4 divisors (see below), whose sum is σ = 128525546248. Its totient is φ = 122683475880.

The previous prime is 125604511057. The next prime is 125604511103. The reversal of 125604511063 is 360115406521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125604511063 - 2²⁹ = 125067640151 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 (125604511013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460517528 + ... + 1460517613.

It is an arithmetic number, because the mean of its divisors is an integer number (32131386562).

Almost surely, 2^125604511063 is an apocalyptic number.

125604511063 is a deficient number, since it is larger than the sum of its proper divisors (2921035185).

125604511063 is an equidigital number, since it uses as much as digits as its factorization.

125604511063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921035184.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 125604511063 its reverse (360115406521), we get a palindrome (485719917584).

The spelling of 125604511063 in words is "one hundred twenty-five billion, six hundred four million, five hundred eleven thousand, sixty-three".