11297651899 has 2 divisors, whose sum is σ = 11297651900. Its totient is φ = 11297651898.

The previous prime is 11297651881. The next prime is 11297651909. The reversal of 11297651899 is 99815679211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11297651899 - 2²¹ = 11295554747 is a prime.

It is not a weakly prime, because it can be changed into another prime (11297651809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5648825949 + 5648825950.

It is an arithmetic number, because the mean of its divisors is an integer number (5648825950).

Almost surely, 2^11297651899 is an apocalyptic number.

11297651899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11297651899 is an equidigital number, since it uses as much as digits as its factorization.

11297651899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 58.

The spelling of 11297651899 in words is "eleven billion, two hundred ninety-seven million, six hundred fifty-one thousand, eight hundred ninety-nine".