5312111553 has 12 divisors (see below), whose sum is σ = 8769200128. Its totient is φ = 3035492280.

The previous prime is 5312111543. The next prime is 5312111587. The reversal of 5312111553 is 3551112135.

It is not a de Polignac number, because 5312111553 - 2²⁸ = 5043676097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312111543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42159553 + ... + 42159678.

Almost surely, 2^5312111553 is an apocalyptic number.

It is an amenable number.

5312111553 is a deficient number, since it is larger than the sum of its proper divisors (3457088575).

5312111553 is a wasteful number, since it uses less digits than its factorization.

5312111553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84319244 (or 84319241 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 5312111553 is about 72884.2339124176. The cubic root of 5312111553 is about 1744.8404824038.

Adding to 5312111553 its reverse (3551112135), we get a palindrome (8863223688).

The spelling of 5312111553 in words is "five billion, three hundred twelve million, one hundred eleven thousand, five hundred fifty-three".