2116612515544 has 32 divisors (see below), whose sum is σ = 4027421466000. Its totient is φ = 1042717496832.

The previous prime is 2116612515487. The next prime is 2116612515593. The reversal of 2116612515544 is 4455152166112.

It is a self number, because there is not a number n which added to its sum of digits gives 2116612515544.

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, 5050749 + ... + 5453740.

Almost surely, 2^{2116612515544} is an apocalyptic number.

It is an amenable number.

2116612515544 is a deficient number, since it is larger than the sum of its proper divisors (1910808950456).

2116612515544 is a wasteful number, since it uses less digits than its factorization.

2116612515544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504867 (or 10504863 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The spelling of 2116612515544 in words is "two trillion, one hundred sixteen billion, six hundred twelve million, five hundred fifteen thousand, five hundred forty-four".