105504332193791 has 2 divisors, whose sum is σ = 105504332193792. Its totient is φ = 105504332193790.

The previous prime is 105504332193779. The next prime is 105504332193823. The reversal of 105504332193791 is 197391233405501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105504332193791 - 2⁶ = 105504332193727 is a prime.

It is a super-2 number, since 2×105504332193791² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105504332193691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752166096895 + 52752166096896.

It is an arithmetic number, because the mean of its divisors is an integer number (52752166096896).

Almost surely, 2^{105504332193791} is an apocalyptic number.

105504332193791 is a deficient number, since it is larger than the sum of its proper divisors (1).

105504332193791 is an equidigital number, since it uses as much as digits as its factorization.

105504332193791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 105504332193791 in words is "one hundred five trillion, five hundred four billion, three hundred thirty-two million, one hundred ninety-three thousand, seven hundred ninety-one".