11219755236497 has 2 divisors, whose sum is σ = 11219755236498. Its totient is φ = 11219755236496.

The previous prime is 11219755236451. The next prime is 11219755236509. The reversal of 11219755236497 is 79463255791211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9846642340096 + 1373112896401 = 3137936^2 + 1171799^2 .

It is a cyclic number.

It is not a de Polignac number, because 11219755236497 - 2⁸ = 11219755236241 is a prime.

It is not a weakly prime, because it can be changed into another prime (11219755236427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609877618248 + 5609877618249.

It is an arithmetic number, because the mean of its divisors is an integer number (5609877618249).

Almost surely, 2^{11219755236497} is an apocalyptic number.

It is an amenable number.

11219755236497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11219755236497 is an equidigital number, since it uses as much as digits as its factorization.

11219755236497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28576800, while the sum is 62.

The spelling of 11219755236497 in words is "eleven trillion, two hundred nineteen billion, seven hundred fifty-five million, two hundred thirty-six thousand, four hundred ninety-seven".