41113110991 has 2 divisors, whose sum is σ = 41113110992. Its totient is φ = 41113110990.

The previous prime is 41113110989. The next prime is 41113111019. The reversal of 41113110991 is 19901131114.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41113110991 - 2¹ = 41113110989 is a prime.

Together with 41113110989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41113110091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20556555495 + 20556555496.

It is an arithmetic number, because the mean of its divisors is an integer number (20556555496).

Almost surely, 2^41113110991 is an apocalyptic number.

41113110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

41113110991 is an equidigital number, since it uses as much as digits as its factorization.

41113110991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 41113110991 in words is "forty-one billion, one hundred thirteen million, one hundred ten thousand, nine hundred ninety-one".