117457851351 has 16 divisors (see below), whose sum is σ = 161415622368. Its totient is φ = 75917721600.

The previous prime is 117457851331. The next prime is 117457851389. The reversal of 117457851351 is 153158754711.

It is not a de Polignac number, because 117457851351 - 2¹⁷ = 117457720279 is a prime.

It is a super-2 number, since 2×117457851351² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117457851351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117457851331) 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 15 ways as a sum of consecutive naturals, for example, 1851690 + ... + 1914071.

It is an arithmetic number, because the mean of its divisors is an integer number (10088476398).

Almost surely, 2^117457851351 is an apocalyptic number.

117457851351 is a deficient number, since it is larger than the sum of its proper divisors (43957771017).

117457851351 is a wasteful number, since it uses less digits than its factorization.

117457851351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766082.

The product of its digits is 588000, while the sum is 48.

The spelling of 117457851351 in words is "one hundred seventeen billion, four hundred fifty-seven million, eight hundred fifty-one thousand, three hundred fifty-one".