11553113257377 has 4 divisors (see below), whose sum is σ = 15404151009840. Its totient is φ = 7702075504916.

The previous prime is 11553113257369. The next prime is 11553113257489. The reversal of 11553113257377 is 77375231135511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11553113257377 - 2³ = 11553113257369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11553113257307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925518876227 + ... + 1925518876232.

It is an arithmetic number, because the mean of its divisors is an integer number (3851037752460).

Almost surely, 2^{11553113257377} is an apocalyptic number.

It is an amenable number.

11553113257377 is a deficient number, since it is larger than the sum of its proper divisors (3851037752463).

11553113257377 is an equidigital number, since it uses as much as digits as its factorization.

11553113257377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851037752462.

The product of its digits is 2315250, while the sum is 51.

The spelling of 11553113257377 in words is "eleven trillion, five hundred fifty-three billion, one hundred thirteen million, two hundred fifty-seven thousand, three hundred seventy-seven".