41248660091 has 2 divisors, whose sum is σ = 41248660092. Its totient is φ = 41248660090.

The previous prime is 41248660051. The next prime is 41248660157. The reversal of 41248660091 is 19006684214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41248660091 - 2⁶ = 41248660027 is a prime.

It is a super-2 number, since 2×41248660091² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41248660051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20624330045 + 20624330046.

It is an arithmetic number, because the mean of its divisors is an integer number (20624330046).

Almost surely, 2^41248660091 is an apocalyptic number.

41248660091 is a deficient number, since it is larger than the sum of its proper divisors (1).

41248660091 is an equidigital number, since it uses as much as digits as its factorization.

41248660091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 41248660091 in words is "forty-one billion, two hundred forty-eight million, six hundred sixty thousand, ninety-one".