117243277406261 has 4 divisors (see below), whose sum is σ = 117243658756224. Its totient is φ = 117242896056300.

The previous prime is 117243277406231. The next prime is 117243277406273. The reversal of 117243277406261 is 162604772342711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117243277406261 - 2⁶ = 117243277406197 is a prime.

It is a super-2 number, since 2×117243277406261² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117243277406231) 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, 190213445 + ... + 190828826.

It is an arithmetic number, because the mean of its divisors is an integer number (29310914689056).

Almost surely, 2^{117243277406261} is an apocalyptic number.

It is an amenable number.

117243277406261 is a deficient number, since it is larger than the sum of its proper divisors (381349963).

117243277406261 is an equidigital number, since it uses as much as digits as its factorization.

117243277406261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381349962.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 117243277406261 in words is "one hundred seventeen trillion, two hundred forty-three billion, two hundred seventy-seven million, four hundred six thousand, two hundred sixty-one".