1117392564918 has 64 divisors (see below), whose sum is σ = 2565015118848. Its totient is φ = 317885368320.

The previous prime is 1117392564917. The next prime is 1117392564973. The reversal of 1117392564918 is 8194652937111.

It is a super-2 number, since 2×1117392564918² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117392564917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12193446 + ... + 12284742.

It is an arithmetic number, because the mean of its divisors is an integer number (40078361232).

Almost surely, 2^{1117392564918} is an apocalyptic number.

1117392564918 is an abundant number, since it is smaller than the sum of its proper divisors (1447622553930).

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

1117392564918 is a wasteful number, since it uses less digits than its factorization.

1117392564918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92557.

The product of its digits is 3265920, while the sum is 57.

The spelling of 1117392564918 in words is "one trillion, one hundred seventeen billion, three hundred ninety-two million, five hundred sixty-four thousand, nine hundred eighteen".