105207074491 has 2 divisors, whose sum is σ = 105207074492. Its totient is φ = 105207074490.

The previous prime is 105207074363. The next prime is 105207074519. The reversal of 105207074491 is 194470702501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105207074491 - 2⁷ = 105207074363 is a prime.

It is a super-2 number, since 2×105207074491² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105207074891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52603537245 + 52603537246.

It is an arithmetic number, because the mean of its divisors is an integer number (52603537246).

Almost surely, 2^105207074491 is an apocalyptic number.

105207074491 is a deficient number, since it is larger than the sum of its proper divisors (1).

105207074491 is an equidigital number, since it uses as much as digits as its factorization.

105207074491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

Adding to 105207074491 its reverse (194470702501), we get a palindrome (299677776992).

The spelling of 105207074491 in words is "one hundred five billion, two hundred seven million, seventy-four thousand, four hundred ninety-one".