117556837503 has 16 divisors (see below), whose sum is σ = 179150635776. Its totient is φ = 67169183040.

The previous prime is 117556837493. The next prime is 117556837571. The reversal of 117556837503 is 305738655711.

It is a happy number.

It is not a de Polignac number, because 117556837503 - 2¹⁸ = 117556575359 is a prime.

It is a super-2 number, since 2×117556837503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117556833503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16401 + ... + 485162.

It is an arithmetic number, because the mean of its divisors is an integer number (11196914736).

Almost surely, 2^117556837503 is an apocalyptic number.

117556837503 is a deficient number, since it is larger than the sum of its proper divisors (61593798273).

117556837503 is a wasteful number, since it uses less digits than its factorization.

117556837503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512734.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 117556837503 in words is "one hundred seventeen billion, five hundred fifty-six million, eight hundred thirty-seven thousand, five hundred three".