117565143245 has 16 divisors (see below), whose sum is σ = 154575544320. Its totient is φ = 85128542400.

The previous prime is 117565143239. The next prime is 117565143317. The reversal of 117565143245 is 542341565711.

It is a happy number.

It is not a de Polignac number, because 117565143245 - 2¹⁰ = 117565142221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117565143196 and 117565143205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4654541 + ... + 4679730.

It is an arithmetic number, because the mean of its divisors is an integer number (9660971520).

Almost surely, 2^117565143245 is an apocalyptic number.

It is an amenable number.

117565143245 is a deficient number, since it is larger than the sum of its proper divisors (37010401075).

117565143245 is a wasteful number, since it uses less digits than its factorization.

117565143245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334516.

The product of its digits is 504000, while the sum is 44.

The spelling of 117565143245 in words is "one hundred seventeen billion, five hundred sixty-five million, one hundred forty-three thousand, two hundred forty-five".