11014551660520 has 64 divisors (see below), whose sum is σ = 26685304718400. Its totient is φ = 4076372444160.

The previous prime is 11014551660517. The next prime is 11014551660521. The reversal of 11014551660520 is 2506615541011.

It is a self number, because there is not a number n which added to its sum of digits gives 11014551660520.

It is not an unprimeable number, because it can be changed into a prime (11014551660521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137229966 + ... + 137310205.

It is an arithmetic number, because the mean of its divisors is an integer number (416957886225).

Almost surely, 2^{11014551660520} is an apocalyptic number.

11014551660520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11014551660520 is an abundant number, since it is smaller than the sum of its proper divisors (15670753057880).

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

11014551660520 is a wasteful number, since it uses less digits than its factorization.

11014551660520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274540258 (or 274540254 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 11014551660520 in words is "eleven trillion, fourteen billion, five hundred fifty-one million, six hundred sixty thousand, five hundred twenty".