11153205251 has 2 divisors, whose sum is σ = 11153205252. Its totient is φ = 11153205250.

The previous prime is 11153205247. The next prime is 11153205253. The reversal of 11153205251 is 15250235111.

It is a strong prime.

It is an emirp because it is prime and its reverse (15250235111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11153205251 - 2² = 11153205247 is a prime.

Together with 11153205253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11153205251.

It is not a weakly prime, because it can be changed into another prime (11153205253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576602625 + 5576602626.

It is an arithmetic number, because the mean of its divisors is an integer number (5576602626).

Almost surely, 2^11153205251 is an apocalyptic number.

11153205251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11153205251 is an equidigital number, since it uses as much as digits as its factorization.

11153205251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 11153205251 in words is "eleven billion, one hundred fifty-three million, two hundred five thousand, two hundred fifty-one".