11116255521 has 16 divisors (see below), whose sum is σ = 17025047424. Its totient is φ = 6319899264.

The previous prime is 11116255489. The next prime is 11116255571. The reversal of 11116255521 is 12555261111.

It is not a de Polignac number, because 11116255521 - 2⁵ = 11116255489 is a prime.

It is a super-2 number, since 2×11116255521² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11116255571) 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, 1339380 + ... + 1347653.

It is an arithmetic number, because the mean of its divisors is an integer number (1064065464).

Almost surely, 2^11116255521 is an apocalyptic number.

It is an amenable number.

11116255521 is a deficient number, since it is larger than the sum of its proper divisors (5908791903).

11116255521 is a wasteful number, since it uses less digits than its factorization.

11116255521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687240.

The product of its digits is 3000, while the sum is 30.

The spelling of 11116255521 in words is "eleven billion, one hundred sixteen million, two hundred fifty-five thousand, five hundred twenty-one".