116551291 has 2 divisors, whose sum is σ = 116551292. Its totient is φ = 116551290.

The previous prime is 116551271. The next prime is 116551333. The reversal of 116551291 is 192155611.

It is a weak prime.

It is an emirp because it is prime and its reverse (192155611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116551291 - 2⁷ = 116551163 is a prime.

It is not a weakly prime, because it can be changed into another prime (116551231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58275645 + 58275646.

It is an arithmetic number, because the mean of its divisors is an integer number (58275646).

Almost surely, 2^116551291 is an apocalyptic number.

116551291 is a deficient number, since it is larger than the sum of its proper divisors (1).

116551291 is an equidigital number, since it uses as much as digits as its factorization.

116551291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 31.

The square root of 116551291 is about 10795.8923206931. The cubic root of 116551291 is about 488.4712747205.

The spelling of 116551291 in words is "one hundred sixteen million, five hundred fifty-one thousand, two hundred ninety-one".