5231125135 has 4 divisors (see below), whose sum is σ = 6277350168. Its totient is φ = 4184900104.

The previous prime is 5231125121. The next prime is 5231125171. The reversal of 5231125135 is 5315211325.

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 5231125135 - 2¹¹ = 5231123087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523112509 + ... + 523112518.

It is an arithmetic number, because the mean of its divisors is an integer number (1569337542).

Almost surely, 2^5231125135 is an apocalyptic number.

5231125135 is a deficient number, since it is larger than the sum of its proper divisors (1046225033).

5231125135 is a wasteful number, since it uses less digits than its factorization.

5231125135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046225032.

The product of its digits is 4500, while the sum is 28.

The square root of 5231125135 is about 72326.5175091404. The cubic root of 5231125135 is about 1735.9279790205.

The spelling of 5231125135 in words is "five billion, two hundred thirty-one million, one hundred twenty-five thousand, one hundred thirty-five".