11156216115 has 32 divisors (see below), whose sum is σ = 19489496832. Its totient is φ = 5404400000.

The previous prime is 11156216083. The next prime is 11156216143. The reversal of 11156216115 is 51161265111.

It is not a de Polignac number, because 11156216115 - 2⁵ = 11156216083 is a prime.

It is a super-2 number, since 2×11156216115² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166240 + ... + 223490.

It is an arithmetic number, because the mean of its divisors is an integer number (609046776).

Almost surely, 2^11156216115 is an apocalyptic number.

11156216115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11156216115 is a deficient number, since it is larger than the sum of its proper divisors (8333280717).

11156216115 is a wasteful number, since it uses less digits than its factorization.

11156216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58451.

The product of its digits is 1800, while the sum is 30.

The spelling of 11156216115 in words is "eleven billion, one hundred fifty-six million, two hundred sixteen thousand, one hundred fifteen".