11368506251 has 2 divisors, whose sum is σ = 11368506252. Its totient is φ = 11368506250.

The previous prime is 11368506239. The next prime is 11368506277. The reversal of 11368506251 is 15260586311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11368506251 - 2²² = 11364311947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11368506451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5684253125 + 5684253126.

It is an arithmetic number, because the mean of its divisors is an integer number (5684253126).

Almost surely, 2^11368506251 is an apocalyptic number.

11368506251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11368506251 is an equidigital number, since it uses as much as digits as its factorization.

11368506251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 11368506251 in words is "eleven billion, three hundred sixty-eight million, five hundred six thousand, two hundred fifty-one".