117253071387 has 12 divisors (see below), whose sum is σ = 172236150840. Its totient is φ = 76843820448.

The previous prime is 117253071367. The next prime is 117253071389. The reversal of 117253071387 is 783170352711.

117253071387 is a `hidden beast` number, since 1 + 17 + 2 + 530 + 71 + 38 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-117253071387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117253071389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110407258 + ... + 110408319.

It is an arithmetic number, because the mean of its divisors is an integer number (14353012570).

Almost surely, 2^117253071387 is an apocalyptic number.

117253071387 is a deficient number, since it is larger than the sum of its proper divisors (54983079453).

117253071387 is a wasteful number, since it uses less digits than its factorization.

117253071387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220815642 (or 220815639 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 117253071387 in words is "one hundred seventeen billion, two hundred fifty-three million, seventy-one thousand, three hundred eighty-seven".