117561530126 has 16 divisors (see below), whose sum is σ = 185793363600. Its totient is φ = 55636072128.

The previous prime is 117561530077. The next prime is 117561530147. The reversal of 117561530126 is 621035165711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 117561530126.

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, 1373711 + ... + 1456778.

It is an arithmetic number, because the mean of its divisors is an integer number (11612085225).

Almost surely, 2^117561530126 is an apocalyptic number.

117561530126 is a deficient number, since it is larger than the sum of its proper divisors (68231833474).

117561530126 is a wasteful number, since it uses less digits than its factorization.

117561530126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831603.

The product of its (nonzero) digits is 37800, while the sum is 38.

Adding to 117561530126 its reverse (621035165711), we get a palindrome (738596695837).

The spelling of 117561530126 in words is "one hundred seventeen billion, five hundred sixty-one million, five hundred thirty thousand, one hundred twenty-six".