11140644570 has 64 divisors (see below), whose sum is σ = 29178334080. Its totient is φ = 2699827200.

The previous prime is 11140644533. The next prime is 11140644589. The reversal of 11140644570 is 7544604111.

It is a super-2 number, since 2×11140644570² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1715730 + ... + 1722210.

It is an arithmetic number, because the mean of its divisors is an integer number (455911470).

Almost surely, 2^11140644570 is an apocalyptic number.

11140644570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11140644570 is an abundant number, since it is smaller than the sum of its proper divisors (18037689510).

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

11140644570 is a wasteful number, since it uses less digits than its factorization.

11140644570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 11140644570 in words is "eleven billion, one hundred forty million, six hundred forty-four thousand, five hundred seventy".