116211958671 has 4 divisors (see below), whose sum is σ = 154949278232. Its totient is φ = 77474639112.

The previous prime is 116211958657. The next prime is 116211958699. The reversal of 116211958671 is 176859112611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176859112611 = 3 ⋅58953037537.

It is not a de Polignac number, because 116211958671 - 2¹⁸ = 116211696527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116211958671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116211908671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19368659776 + ... + 19368659781.

It is an arithmetic number, because the mean of its divisors is an integer number (38737319558).

Almost surely, 2^116211958671 is an apocalyptic number.

116211958671 is a deficient number, since it is larger than the sum of its proper divisors (38737319561).

116211958671 is an equidigital number, since it uses as much as digits as its factorization.

116211958671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38737319560.

The product of its digits is 181440, while the sum is 48.

The spelling of 116211958671 in words is "one hundred sixteen billion, two hundred eleven million, nine hundred fifty-eight thousand, six hundred seventy-one".