91082508151 has 2 divisors, whose sum is σ = 91082508152. Its totient is φ = 91082508150.

The previous prime is 91082508103. The next prime is 91082508193. The reversal of 91082508151 is 15180528019.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91082508151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91082508551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45541254075 + 45541254076.

It is an arithmetic number, because the mean of its divisors is an integer number (45541254076).

Almost surely, 2^91082508151 is an apocalyptic number.

91082508151 is a deficient number, since it is larger than the sum of its proper divisors (1).

91082508151 is an equidigital number, since it uses as much as digits as its factorization.

91082508151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 40.

The spelling of 91082508151 in words is "ninety-one billion, eighty-two million, five hundred eight thousand, one hundred fifty-one".