117111013 has 2 divisors, whose sum is σ = 117111014. Its totient is φ = 117111012.

The previous prime is 117110999. The next prime is 117111023. The reversal of 117111013 is 310111711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71115489 + 45995524 = 8433^2 + 6782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117111013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58555506 + 58555507.

It is an arithmetic number, because the mean of its divisors is an integer number (58555507).

Almost surely, 2^117111013 is an apocalyptic number.

It is an amenable number.

117111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

117111013 is an equidigital number, since it uses as much as digits as its factorization.

117111013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 16.

The square root of 117111013 is about 10821.7841874619. The cubic root of 117111013 is about 489.2519656701.

Adding to 117111013 its reverse (310111711), we get a palindrome (427222724).

The spelling of 117111013 in words is "one hundred seventeen million, one hundred eleven thousand, thirteen".