105007772491 has 2 divisors, whose sum is σ = 105007772492. Its totient is φ = 105007772490.

The previous prime is 105007772489. The next prime is 105007772509. The reversal of 105007772491 is 194277700501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105007772491 - 2¹ = 105007772489 is a prime.

It is a super-2 number, since 2×105007772491² (a number of 23 digits) contains 22 as substring.

Together with 105007772489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (105007772461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52503886245 + 52503886246.

It is an arithmetic number, because the mean of its divisors is an integer number (52503886246).

Almost surely, 2^105007772491 is an apocalyptic number.

105007772491 is a deficient number, since it is larger than the sum of its proper divisors (1).

105007772491 is an equidigital number, since it uses as much as digits as its factorization.

105007772491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 105007772491 in words is "one hundred five billion, seven million, seven hundred seventy-two thousand, four hundred ninety-one".