13520790551 has 2 divisors, whose sum is σ = 13520790552. Its totient is φ = 13520790550.

The previous prime is 13520790487. The next prime is 13520790559. The reversal of 13520790551 is 15509702531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13520790551 - 2⁶ = 13520790487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520790559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760395275 + 6760395276.

It is an arithmetic number, because the mean of its divisors is an integer number (6760395276).

Almost surely, 2^13520790551 is an apocalyptic number.

13520790551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520790551 is an equidigital number, since it uses as much as digits as its factorization.

13520790551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 38.

The spelling of 13520790551 in words is "thirteen billion, five hundred twenty million, seven hundred ninety thousand, five hundred fifty-one".