11577352444 has 24 divisors (see below), whose sum is σ = 24516747360. Its totient is φ = 4669856256.

The previous prime is 11577352439. The next prime is 11577352463. The reversal of 11577352444 is 44425377511.

It is a super-2 number, since 2×11577352444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11577352444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12160609 + ... + 12161560.

It is an arithmetic number, because the mean of its divisors is an integer number (1021531140).

Almost surely, 2^11577352444 is an apocalyptic number.

11577352444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11577352444 is an abundant number, since it is smaller than the sum of its proper divisors (12939394916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11577352444 is a wasteful number, since it uses less digits than its factorization.

11577352444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24322197 (or 24322195 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The spelling of 11577352444 in words is "eleven billion, five hundred seventy-seven million, three hundred fifty-two thousand, four hundred forty-four".