15422045225491 has 2 divisors, whose sum is σ = 15422045225492. Its totient is φ = 15422045225490.

The previous prime is 15422045225459. The next prime is 15422045225549. The reversal of 15422045225491 is 19452254022451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15422045225491 - 2⁵ = 15422045225459 is a prime.

It is not a weakly prime, because it can be changed into another prime (15422045225441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7711022612745 + 7711022612746.

It is an arithmetic number, because the mean of its divisors is an integer number (7711022612746).

Almost surely, 2^{15422045225491} is an apocalyptic number.

15422045225491 is a deficient number, since it is larger than the sum of its proper divisors (1).

15422045225491 is an equidigital number, since it uses as much as digits as its factorization.

15422045225491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 15422045225491 in words is "fifteen trillion, four hundred twenty-two billion, forty-five million, two hundred twenty-five thousand, four hundred ninety-one".