11216521561062 has 16 divisors (see below), whose sum is σ = 22433076792432. Its totient is φ = 3738834908640.

The previous prime is 11216521560919. The next prime is 11216521561079. The reversal of 11216521561062 is 26016512561211.

It is a self number, because there is not a number n which added to its sum of digits gives 11216521561062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673108 + ... + 7390344.

It is an arithmetic number, because the mean of its divisors is an integer number (1402067299527).

Almost surely, 2^{11216521561062} is an apocalyptic number.

11216521561062 is an abundant number, since it is smaller than the sum of its proper divisors (11216555231370).

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

11216521561062 is a wasteful number, since it uses less digits than its factorization.

11216521561062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805863.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 11216521561062 in words is "eleven trillion, two hundred sixteen billion, five hundred twenty-one million, five hundred sixty-one thousand, sixty-two".