117789811454554 has 64 divisors (see below), whose sum is σ = 195588255744000. Its totient is φ = 52952613772608.

The previous prime is 117789811454503. The next prime is 117789811454563. The reversal of 117789811454554 is 455454118987711.

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, 117616359 + ... + 118613605.

It is an arithmetic number, because the mean of its divisors is an integer number (3056066496000).

Almost surely, 2^{117789811454554} is an apocalyptic number.

117789811454554 is a deficient number, since it is larger than the sum of its proper divisors (77798444289446).

117789811454554 is a wasteful number, since it uses less digits than its factorization.

117789811454554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998347.

The product of its digits is 225792000, while the sum is 70.

The spelling of 117789811454554 in words is "one hundred seventeen trillion, seven hundred eighty-nine billion, eight hundred eleven million, four hundred fifty-four thousand, five hundred fifty-four".