116867615381 has 12 divisors (see below), whose sum is σ = 128473531200. Its totient is φ = 106230269640.

The previous prime is 116867615357. The next prime is 116867615401. The reversal of 116867615381 is 183516768611.

It is a de Polignac number, because none of the positive numbers 2^k-116867615381 is a prime.

It is a super-2 number, since 2×116867615381² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116867615311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1012340 + ... + 1121858.

It is an arithmetic number, because the mean of its divisors is an integer number (10706127600).

Almost surely, 2^116867615381 is an apocalyptic number.

116867615381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116867615381 is a deficient number, since it is larger than the sum of its proper divisors (11605915819).

116867615381 is a wasteful number, since it uses less digits than its factorization.

116867615381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118360 (or 118349 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The spelling of 116867615381 in words is "one hundred sixteen billion, eight hundred sixty-seven million, six hundred fifteen thousand, three hundred eighty-one".