190432725808121 has 2 divisors, whose sum is σ = 190432725808122. Its totient is φ = 190432725808120.

The previous prime is 190432725808111. The next prime is 190432725808153. The reversal of 190432725808121 is 121808527234091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111567758254096 + 78864967554025 = 10562564^2 + 8880595^2 .

It is a cyclic number.

It is not a de Polignac number, because 190432725808121 - 2²² = 190432721613817 is a prime.

It is not a weakly prime, because it can be changed into another prime (190432725808111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95216362904060 + 95216362904061.

It is an arithmetic number, because the mean of its divisors is an integer number (95216362904061).

Almost surely, 2^{190432725808121} is an apocalyptic number.

It is an amenable number.

190432725808121 is a deficient number, since it is larger than the sum of its proper divisors (1).

190432725808121 is an equidigital number, since it uses as much as digits as its factorization.

190432725808121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 190432725808121 in words is "one hundred ninety trillion, four hundred thirty-two billion, seven hundred twenty-five million, eight hundred eight thousand, one hundred twenty-one".