1116638065554 has 32 divisors (see below), whose sum is σ = 2436397767936. Its totient is φ = 338361763920.

The previous prime is 1116638065537. The next prime is 1116638065559. The reversal of 1116638065554 is 4555608366111.

It is a junction number, because it is equal to n+sod(n) for n = 1116638065497 and 1116638065506.

It is not an unprimeable number, because it can be changed into a prime (1116638065559) 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, 1411569 + ... + 2055675.

It is an arithmetic number, because the mean of its divisors is an integer number (76137430248).

Almost surely, 2^{1116638065554} is an apocalyptic number.

1116638065554 is an abundant number, since it is smaller than the sum of its proper divisors (1319759702382).

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

1116638065554 is a wasteful number, since it uses less digits than its factorization.

1116638065554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670390.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 1116638065554 in words is "one trillion, one hundred sixteen billion, six hundred thirty-eight million, sixty-five thousand, five hundred fifty-four".