117885215452 has 6 divisors (see below), whose sum is σ = 206299127048. Its totient is φ = 58942607724.

The previous prime is 117885215449. The next prime is 117885215453. The reversal of 117885215452 is 254512588711.

It is a junction number, because it is equal to n+sod(n) for n = 117885215396 and 117885215405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117885215453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14735651928 + ... + 14735651935.

Almost surely, 2^117885215452 is an apocalyptic number.

It is an amenable number.

117885215452 is a deficient number, since it is larger than the sum of its proper divisors (88413911596).

117885215452 is a wasteful number, since it uses less digits than its factorization.

117885215452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29471303867 (or 29471303865 counting only the distinct ones).

The product of its digits is 896000, while the sum is 49.

The spelling of 117885215452 in words is "one hundred seventeen billion, eight hundred eighty-five million, two hundred fifteen thousand, four hundred fifty-two".