6117578553 has 16 divisors (see below), whose sum is σ = 8492706432. Its totient is φ = 3913680000.

The previous prime is 6117578549. The next prime is 6117578611. The reversal of 6117578553 is 3558757116.

It is not a de Polignac number, because 6117578553 - 2² = 6117578549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6117578153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400173 + ... + 415178.

It is an arithmetic number, because the mean of its divisors is an integer number (530794152).

Almost surely, 2^6117578553 is an apocalyptic number.

It is an amenable number.

6117578553 is a deficient number, since it is larger than the sum of its proper divisors (2375127879).

6117578553 is a wasteful number, since it uses less digits than its factorization.

6117578553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815456.

The product of its digits is 882000, while the sum is 48.

The square root of 6117578553 is about 78214.9509556837. The cubic root of 6117578553 is about 1828.9135810168.

The spelling of 6117578553 in words is "six billion, one hundred seventeen million, five hundred seventy-eight thousand, five hundred fifty-three".