117185051 has 2 divisors, whose sum is σ = 117185052. Its totient is φ = 117185050.

The previous prime is 117185041. The next prime is 117185113. The reversal of 117185051 is 150581711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117185051 - 2⁶ = 117184987 is a prime.

It is not a weakly prime, because it can be changed into another prime (117185041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58592525 + 58592526.

It is an arithmetic number, because the mean of its divisors is an integer number (58592526).

Almost surely, 2^117185051 is an apocalyptic number.

117185051 is a deficient number, since it is larger than the sum of its proper divisors (1).

117185051 is an equidigital number, since it uses as much as digits as its factorization.

117185051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 29.

The square root of 117185051 is about 10825.2044322498. The cubic root of 117185051 is about 489.3550462296.

The spelling of 117185051 in words is "one hundred seventeen million, one hundred eighty-five thousand, fifty-one".