1117618913 has 16 divisors (see below), whose sum is σ = 1224082944. Its totient is φ = 1015822080.

The previous prime is 1117618889. The next prime is 1117618919. The reversal of 1117618913 is 3198167111.

It is not a de Polignac number, because 1117618913 - 2¹⁴ = 1117602529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117618919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286331 + ... + 290207.

It is an arithmetic number, because the mean of its divisors is an integer number (76505184).

Almost surely, 2^1117618913 is an apocalyptic number.

It is an amenable number.

1117618913 is a deficient number, since it is larger than the sum of its proper divisors (106464031).

1117618913 is a wasteful number, since it uses less digits than its factorization.

1117618913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its digits is 9072, while the sum is 38.

The square root of 1117618913 is about 33430.8078424677. The cubic root of 1117618913 is about 1037.7623589271.

The spelling of 1117618913 in words is "one billion, one hundred seventeen million, six hundred eighteen thousand, nine hundred thirteen".