11115642656616 has 32 divisors (see below), whose sum is σ = 27789587373600. Its totient is φ = 3705150121280.

The previous prime is 11115642656603. The next prime is 11115642656617. The reversal of 11115642656616 is 61665624651111.

It is not an unprimeable number, because it can be changed into a prime (11115642656617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579490 + ... + 5374481.

It is an arithmetic number, because the mean of its divisors is an integer number (868424605425).

Almost surely, 2^{11115642656616} is an apocalyptic number.

It is an amenable number.

11115642656616 is an abundant number, since it is smaller than the sum of its proper divisors (16673944716984).

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

11115642656616 is a wasteful number, since it uses less digits than its factorization.

11115642656616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012209 (or 8012205 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 11115642656616 in words is "eleven trillion, one hundred fifteen billion, six hundred forty-two million, six hundred fifty-six thousand, six hundred sixteen".