117121412567 has 4 divisors (see below), whose sum is σ = 122213647920. Its totient is φ = 112029177216.

The previous prime is 117121412561. The next prime is 117121412591. The reversal of 117121412567 is 765214121711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765214121711 = 13 ⋅58862624747.

It is not a de Polignac number, because 117121412567 - 2¹² = 117121408471 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 117121412567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117121412561) 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, 2546117642 + ... + 2546117687.

It is an arithmetic number, because the mean of its divisors is an integer number (30553411980).

Almost surely, 2^117121412567 is an apocalyptic number.

117121412567 is a deficient number, since it is larger than the sum of its proper divisors (5092235353).

117121412567 is an equidigital number, since it uses as much as digits as its factorization.

117121412567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092235352.

The product of its digits is 23520, while the sum is 38.

The spelling of 117121412567 in words is "one hundred seventeen billion, one hundred twenty-one million, four hundred twelve thousand, five hundred sixty-seven".