11142564352 has 40 divisors (see below), whose sum is σ = 22290760800. Its totient is φ = 5564427264.

The previous prime is 11142564347. The next prime is 11142564359. The reversal of 11142564352 is 25346524111.

It is a super-2 number, since 2×11142564352² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11142564359) 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, 416599 + ... + 442537.

It is an arithmetic number, because the mean of its divisors is an integer number (557269020).

Almost surely, 2^11142564352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142564352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11145380400).

11142564352 is an abundant number, since it is smaller than the sum of its proper divisors (11148196448).

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

11142564352 is an frugal number, since it uses more digits than its factorization.

11142564352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26796 (or 26780 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The spelling of 11142564352 in words is "eleven billion, one hundred forty-two million, five hundred sixty-four thousand, three hundred fifty-two".