117206534015 has 4 divisors (see below), whose sum is σ = 140647840824. Its totient is φ = 93765227208.

The previous prime is 117206533973. The next prime is 117206534057. The reversal of 117206534015 is 510435602711.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (117206533973) and next prime (117206534057).

It is a cyclic number.

It is not a de Polignac number, because 117206534015 - 2¹⁶ = 117206468479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11720653397 + ... + 11720653406.

It is an arithmetic number, because the mean of its divisors is an integer number (35161960206).

Almost surely, 2^117206534015 is an apocalyptic number.

117206534015 is a deficient number, since it is larger than the sum of its proper divisors (23441306809).

117206534015 is an equidigital number, since it uses as much as digits as its factorization.

117206534015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23441306808.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 117206534015 in words is "one hundred seventeen billion, two hundred six million, five hundred thirty-four thousand, fifteen".