116551156591 has 2 divisors, whose sum is σ = 116551156592. Its totient is φ = 116551156590.

The previous prime is 116551156493. The next prime is 116551156607. The reversal of 116551156591 is 195651155611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116551156591 - 2⁹ = 116551156079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116551156991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58275578295 + 58275578296.

It is an arithmetic number, because the mean of its divisors is an integer number (58275578296).

Almost surely, 2^116551156591 is an apocalyptic number.

116551156591 is a deficient number, since it is larger than the sum of its proper divisors (1).

116551156591 is an equidigital number, since it uses as much as digits as its factorization.

116551156591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202500, while the sum is 46.

The spelling of 116551156591 in words is "one hundred sixteen billion, five hundred fifty-one million, one hundred fifty-six thousand, five hundred ninety-one".