1117597085 has 16 divisors (see below), whose sum is σ = 1549098432. Its totient is φ = 764985600.

The previous prime is 1117597073. The next prime is 1117597087. The reversal of 1117597085 is 5807957111.

It is not a de Polignac number, because 1117597085 - 2⁴ = 1117597069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117597087) 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, 596711 + ... + 598580.

It is an arithmetic number, because the mean of its divisors is an integer number (96818652).

Almost surely, 2^1117597085 is an apocalyptic number.

It is an amenable number.

1117597085 is a deficient number, since it is larger than the sum of its proper divisors (431501347).

1117597085 is a wasteful number, since it uses less digits than its factorization.

1117597085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195324.

The product of its (nonzero) digits is 88200, while the sum is 44.

The square root of 1117597085 is about 33430.4813755351. The cubic root of 1117597085 is about 1037.7556027708.

The spelling of 1117597085 in words is "one billion, one hundred seventeen million, five hundred ninety-seven thousand, eighty-five".