117564151 has 2 divisors, whose sum is σ = 117564152. Its totient is φ = 117564150.

The previous prime is 117564137. The next prime is 117564203. The reversal of 117564151 is 151465711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117564151 - 2⁵ = 117564119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117564131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58782075 + 58782076.

It is an arithmetic number, because the mean of its divisors is an integer number (58782076).

Almost surely, 2^117564151 is an apocalyptic number.

117564151 is a deficient number, since it is larger than the sum of its proper divisors (1).

117564151 is an equidigital number, since it uses as much as digits as its factorization.

117564151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 31.

The square root of 117564151 is about 10842.7003555387. The cubic root of 117564151 is about 489.8821749188.

The spelling of 117564151 in words is "one hundred seventeen million, five hundred sixty-four thousand, one hundred fifty-one".