117511369 has 2 divisors, whose sum is σ = 117511370. Its totient is φ = 117511368.

The previous prime is 117511349. The next prime is 117511397. The reversal of 117511369 is 963115711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112105744 + 5405625 = 10588^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 117511369 - 2⁷ = 117511241 is a prime.

It is a super-2 number, since 2×117511369² = 27617843688508322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117511309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58755684 + 58755685.

It is an arithmetic number, because the mean of its divisors is an integer number (58755685).

Almost surely, 2^117511369 is an apocalyptic number.

It is an amenable number.

117511369 is a deficient number, since it is larger than the sum of its proper divisors (1).

117511369 is an equidigital number, since it uses as much as digits as its factorization.

117511369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 34.

The square root of 117511369 is about 10840.2660945200. The cubic root of 117511369 is about 489.8088508901.

It can be divided in two parts, 1175 and 11369, that added together give a square (12544 = 112²).

The spelling of 117511369 in words is "one hundred seventeen million, five hundred eleven thousand, three hundred sixty-nine".