116511879 has 32 divisors (see below), whose sum is σ = 176451840. Its totient is φ = 67737600.

The previous prime is 116511877. The next prime is 116511881. The reversal of 116511879 is 978115611.

It is an interprime number because it is at equal distance from previous prime (116511877) and next prime (116511881).

It is not a de Polignac number, because 116511879 - 2¹ = 116511877 is a prime.

It is a super-2 number, since 2×116511879² = 27150035896221282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116511877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201639 + ... + 202215.

It is an arithmetic number, because the mean of its divisors is an integer number (5514120).

Almost surely, 2^116511879 is an apocalyptic number.

116511879 is a deficient number, since it is larger than the sum of its proper divisors (59939961).

116511879 is a wasteful number, since it uses less digits than its factorization.

116511879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its digits is 15120, while the sum is 39.

The square root of 116511879 is about 10794.0668424834. The cubic root of 116511879 is about 488.4162094066.

It can be divided in two parts, 11651 and 1879, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 116511879 in words is "one hundred sixteen million, five hundred eleven thousand, eight hundred seventy-nine".