117256723477157 has 8 divisors (see below), whose sum is σ = 127922061713472. Its totient is φ = 106592324591200.

The previous prime is 117256723477151. The next prime is 117256723477189. The reversal of 117256723477157 is 751774327652711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117256723477157 - 2⁸ = 117256723476901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117256723477093 and 117256723477102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117256723477151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234576569 + ... + 235075902.

It is an arithmetic number, because the mean of its divisors is an integer number (15990257714184).

Almost surely, 2^{117256723477157} is an apocalyptic number.

It is an amenable number.

117256723477157 is a deficient number, since it is larger than the sum of its proper divisors (10665338236315).

117256723477157 is a wasteful number, since it uses less digits than its factorization.

117256723477157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469675179.

The product of its digits is 121010400, while the sum is 65.

The spelling of 117256723477157 in words is "one hundred seventeen trillion, two hundred fifty-six billion, seven hundred twenty-three million, four hundred seventy-seven thousand, one hundred fifty-seven".