116281601591 has 2 divisors, whose sum is σ = 116281601592. Its totient is φ = 116281601590.

The previous prime is 116281601581. The next prime is 116281601609. The reversal of 116281601591 is 195106182611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116281601591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116281601531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58140800795 + 58140800796.

It is an arithmetic number, because the mean of its divisors is an integer number (58140800796).

Almost surely, 2^116281601591 is an apocalyptic number.

116281601591 is a deficient number, since it is larger than the sum of its proper divisors (1).

116281601591 is an equidigital number, since it uses as much as digits as its factorization.

116281601591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 41.

The spelling of 116281601591 in words is "one hundred sixteen billion, two hundred eighty-one million, six hundred one thousand, five hundred ninety-one".