5125152522121 has 32 divisors (see below), whose sum is σ = 5458640878080. Its totient is φ = 4807451011968.

The previous prime is 5125152522089. The next prime is 5125152522179. The reversal of 5125152522121 is 1212252515215.

It is not a de Polignac number, because 5125152522121 - 2⁵ = 5125152522089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125152525121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257367261 + ... + 257387173.

It is an arithmetic number, because the mean of its divisors is an integer number (170582527440).

Almost surely, 2^{5125152522121} is an apocalyptic number.

It is an amenable number.

5125152522121 is a deficient number, since it is larger than the sum of its proper divisors (333488355959).

5125152522121 is an frugal number, since it uses more digits than its factorization.

5125152522121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20158 (or 20064 counting only the distinct ones).

The product of its digits is 20000, while the sum is 34.

The spelling of 5125152522121 in words is "five trillion, one hundred twenty-five billion, one hundred fifty-two million, five hundred twenty-two thousand, one hundred twenty-one".