13305552251 has 2 divisors, whose sum is σ = 13305552252. Its totient is φ = 13305552250.

The previous prime is 13305552217. The next prime is 13305552259. The reversal of 13305552251 is 15225550331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13305552251 - 2²² = 13301357947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13305552259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652776125 + 6652776126.

It is an arithmetic number, because the mean of its divisors is an integer number (6652776126).

Almost surely, 2^13305552251 is an apocalyptic number.

13305552251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13305552251 is an equidigital number, since it uses as much as digits as its factorization.

13305552251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 13305552251 in words is "thirteen billion, three hundred five million, five hundred fifty-two thousand, two hundred fifty-one".