105356511191 has 2 divisors, whose sum is σ = 105356511192. Its totient is φ = 105356511190.

The previous prime is 105356511179. The next prime is 105356511193. The reversal of 105356511191 is 191115653501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105356511191 is a prime.

It is a super-2 number, since 2×105356511191² (a number of 23 digits) contains 22 as substring.

Together with 105356511193, 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 (105356511193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52678255595 + 52678255596.

It is an arithmetic number, because the mean of its divisors is an integer number (52678255596).

Almost surely, 2^105356511191 is an apocalyptic number.

105356511191 is a deficient number, since it is larger than the sum of its proper divisors (1).

105356511191 is an equidigital number, since it uses as much as digits as its factorization.

105356511191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 38.

The spelling of 105356511191 in words is "one hundred five billion, three hundred fifty-six million, five hundred eleven thousand, one hundred ninety-one".