11115111556016 has 60 divisors (see below), whose sum is σ = 23559945082632. Its totient is φ = 5077164238848.

The previous prime is 11115111556013. The next prime is 11115111556019. The reversal of 11115111556016 is 61065511151111.

It is an interprime number because it is at equal distance from previous prime (11115111556013) and next prime (11115111556019).

It is not an unprimeable number, because it can be changed into a prime (11115111556013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20926466 + ... + 21451041.

Almost surely, 2^{11115111556016} is an apocalyptic number.

11115111556016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11115111556016 is an abundant number, since it is smaller than the sum of its proper divisors (12444833526616).

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

11115111556016 is a wasteful number, since it uses less digits than its factorization.

11115111556016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377638 (or 42377619 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 35.

The spelling of 11115111556016 in words is "eleven trillion, one hundred fifteen billion, one hundred eleven million, five hundred fifty-six thousand, sixteen".