11152640562 has 64 divisors (see below), whose sum is σ = 26106921984. Its totient is φ = 3109700160.

The previous prime is 11152640561. The next prime is 11152640567. The reversal of 11152640562 is 26504625111.

It is a super-4 number, since 4×11152640562⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11152640561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3142473 + ... + 3146019.

It is an arithmetic number, because the mean of its divisors is an integer number (407920656).

Almost surely, 2^11152640562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11152640562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13053460992).

11152640562 is an abundant number, since it is smaller than the sum of its proper divisors (14954281422).

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

11152640562 is a wasteful number, since it uses less digits than its factorization.

11152640562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 11152640562 in words is "eleven billion, one hundred fifty-two million, six hundred forty thousand, five hundred sixty-two".