117481157901 has 24 divisors (see below), whose sum is σ = 175820336640. Its totient is φ = 75512484000.

The previous prime is 117481157869. The next prime is 117481157909. The reversal of 117481157901 is 109751184711.

117481157901 is a `hidden beast` number, since 1 + 1 + 74 + 8 + 1 + 1 + 579 + 0 + 1 = 666.

It is not a de Polignac number, because 117481157901 - 2⁵ = 117481157869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117481157909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707625 + ... + 857726.

It is an arithmetic number, because the mean of its divisors is an integer number (7325847360).

Almost surely, 2^117481157901 is an apocalyptic number.

It is an amenable number.

117481157901 is a deficient number, since it is larger than the sum of its proper divisors (58339178739).

117481157901 is a wasteful number, since it uses less digits than its factorization.

117481157901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565657 (or 1565654 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 45.

The spelling of 117481157901 in words is "one hundred seventeen billion, four hundred eighty-one million, one hundred fifty-seven thousand, nine hundred one".