117105641245 has 8 divisors (see below), whose sum is σ = 140530637016. Its totient is φ = 93681934656.

The previous prime is 117105641221. The next prime is 117105641267. The reversal of 117105641245 is 542146501711.

It can be written as a sum of positive squares in 4 ways, for example, as 1863044569 + 115242596676 = 43163^2 + 339474^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117105641245 - 2¹³ = 117105633053 is a prime.

It is a super-2 number, since 2×117105641245² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 109702 + ... + 496231.

It is an arithmetic number, because the mean of its divisors is an integer number (17566329627).

Almost surely, 2^117105641245 is an apocalyptic number.

It is an amenable number.

117105641245 is a deficient number, since it is larger than the sum of its proper divisors (23424995771).

117105641245 is an equidigital number, since it uses as much as digits as its factorization.

117105641245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644591.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 117105641245 in words is "one hundred seventeen billion, one hundred five million, six hundred forty-one thousand, two hundred forty-five".