11141565560 has 16 divisors (see below), whose sum is σ = 25068522600. Its totient is φ = 4456626208.

The previous prime is 11141565511. The next prime is 11141565563. The reversal of 11141565560 is 6556514111.

It is a happy number.

It is a super-2 number, since 2×11141565560² (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 11141565560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141565563) 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, 139269530 + ... + 139269609.

Almost surely, 2^11141565560 is an apocalyptic number.

11141565560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11141565560 is an abundant number, since it is smaller than the sum of its proper divisors (13926957040).

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

11141565560 is a wasteful number, since it uses less digits than its factorization.

11141565560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278539150 (or 278539146 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 11141565560 in words is "eleven billion, one hundred forty-one million, five hundred sixty-five thousand, five hundred sixty".