117051551 has 2 divisors, whose sum is σ = 117051552. Its totient is φ = 117051550.

The previous prime is 117051521. The next prime is 117051559. The reversal of 117051551 is 155150711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117051551 - 2¹⁴ = 117035167 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117051551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117051559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58525775 + 58525776.

It is an arithmetic number, because the mean of its divisors is an integer number (58525776).

Almost surely, 2^117051551 is an apocalyptic number.

117051551 is a deficient number, since it is larger than the sum of its proper divisors (1).

117051551 is an equidigital number, since it uses as much as digits as its factorization.

117051551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 875, while the sum is 26.

The square root of 117051551 is about 10819.0365097822. The cubic root of 117051551 is about 489.1691473119.

The spelling of 117051551 in words is "one hundred seventeen million, fifty-one thousand, five hundred fifty-one".