116605122131531 has 4 divisors (see below), whose sum is σ = 127205587779864. Its totient is φ = 106004656483200.

The previous prime is 116605122131507. The next prime is 116605122131551. The reversal of 116605122131531 is 135131221506611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116605122131531 - 2²² = 116605117937227 is a prime.

It is a super-2 number, since 2×116605122131531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116605122131551) 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, 5300232824150 + ... + 5300232824171.

It is an arithmetic number, because the mean of its divisors is an integer number (31801396944966).

Almost surely, 2^{116605122131531} is an apocalyptic number.

116605122131531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116605122131531 is a deficient number, since it is larger than the sum of its proper divisors (10600465648333).

116605122131531 is a wasteful number, since it uses less digits than its factorization.

116605122131531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600465648332.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 116605122131531 in words is "one hundred sixteen trillion, six hundred five billion, one hundred twenty-two million, one hundred thirty-one thousand, five hundred thirty-one".