10412431111991 has 2 divisors, whose sum is σ = 10412431111992. Its totient is φ = 10412431111990.

The previous prime is 10412431111969. The next prime is 10412431112093. The reversal of 10412431111991 is 19911113421401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10412431111991 - 2¹⁴ = 10412431095607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10412431111091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5206215555995 + 5206215555996.

It is an arithmetic number, because the mean of its divisors is an integer number (5206215555996).

Almost surely, 2^{10412431111991} is an apocalyptic number.

10412431111991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10412431111991 is an equidigital number, since it uses as much as digits as its factorization.

10412431111991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 10412431111991 in words is "ten trillion, four hundred twelve billion, four hundred thirty-one million, one hundred eleven thousand, nine hundred ninety-one".