5421125125 has 64 divisors (see below), whose sum is σ = 7780631040. Its totient is φ = 3737664000.

The previous prime is 5421125117. The next prime is 5421125153. The reversal of 5421125125 is 5215211245.

It is not a de Polignac number, because 5421125125 - 2³ = 5421125117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5421125093 and 5421125102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2190889 + ... + 2193361.

It is an arithmetic number, because the mean of its divisors is an integer number (121572360).

Almost surely, 2^5421125125 is an apocalyptic number.

It is an amenable number.

5421125125 is a deficient number, since it is larger than the sum of its proper divisors (2359505915).

5421125125 is a wasteful number, since it uses less digits than its factorization.

5421125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2581 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 5421125125 is about 73628.2902490612. The cubic root of 5421125125 is about 1756.6954527499.

The spelling of 5421125125 in words is "five billion, four hundred twenty-one million, one hundred twenty-five thousand, one hundred twenty-five".