117042511 has 2 divisors, whose sum is σ = 117042512. Its totient is φ = 117042510.

The previous prime is 117042487. The next prime is 117042553. The reversal of 117042511 is 115240711.

It is a weak prime.

It is an emirp because it is prime and its reverse (115240711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117042511 - 2⁵ = 117042479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117042011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58521255 + 58521256.

It is an arithmetic number, because the mean of its divisors is an integer number (58521256).

Almost surely, 2^117042511 is an apocalyptic number.

117042511 is a deficient number, since it is larger than the sum of its proper divisors (1).

117042511 is an equidigital number, since it uses as much as digits as its factorization.

117042511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 117042511 is about 10818.6187195963. The cubic root of 117042511 is about 489.1565539918.

It can be divided in two parts, 1170 and 42511, that added together give a square (43681 = 209²).

The spelling of 117042511 in words is "one hundred seventeen million, forty-two thousand, five hundred eleven".