117507051 has 8 divisors (see below), whose sum is σ = 174084560. Its totient is φ = 78338016.

The previous prime is 117507037. The next prime is 117507053. The reversal of 117507051 is 150705711.

It is a de Polignac number, because none of the positive numbers 2^k-117507051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4352113 = 117507051 / (1 + 1 + 7 + 5 + 0 + 7 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117507053) 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, 2176030 + ... + 2176083.

It is an arithmetic number, because the mean of its divisors is an integer number (21760570).

Almost surely, 2^117507051 is an apocalyptic number.

117507051 is a deficient number, since it is larger than the sum of its proper divisors (56577509).

117507051 is an equidigital number, since it uses as much as digits as its factorization.

117507051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352122 (or 4352116 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 27.

The square root of 117507051 is about 10840.0669278377. The cubic root of 117507051 is about 489.8028514124.

The spelling of 117507051 in words is "one hundred seventeen million, five hundred seven thousand, fifty-one".