91550456695151 has 2 divisors, whose sum is σ = 91550456695152. Its totient is φ = 91550456695150.

The previous prime is 91550456695063. The next prime is 91550456695153. The reversal of 91550456695151 is 15159665405519.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91550456695151 - 2¹⁰ = 91550456694127 is a prime.

It is a super-2 number, since 2×91550456695151² (a number of 29 digits) contains 22 as substring.

Together with 91550456695153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91550456695153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45775228347575 + 45775228347576.

It is an arithmetic number, because the mean of its divisors is an integer number (45775228347576).

Almost surely, 2^{91550456695151} is an apocalyptic number.

91550456695151 is a deficient number, since it is larger than the sum of its proper divisors (1).

91550456695151 is an equidigital number, since it uses as much as digits as its factorization.

91550456695151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450000, while the sum is 62.

The spelling of 91550456695151 in words is "ninety-one trillion, five hundred fifty billion, four hundred fifty-six million, six hundred ninety-five thousand, one hundred fifty-one".