13323118925551 has 2 divisors, whose sum is σ = 13323118925552. Its totient is φ = 13323118925550.

The previous prime is 13323118925537. The next prime is 13323118925573. The reversal of 13323118925551 is 15552981132331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13323118925551 - 2⁷ = 13323118925423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13323118925495 and 13323118925504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13323118925521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661559462775 + 6661559462776.

It is an arithmetic number, because the mean of its divisors is an integer number (6661559462776).

Almost surely, 2^{13323118925551} is an apocalyptic number.

13323118925551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323118925551 is an equidigital number, since it uses as much as digits as its factorization.

13323118925551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The spelling of 13323118925551 in words is "thirteen trillion, three hundred twenty-three billion, one hundred eighteen million, nine hundred twenty-five thousand, five hundred fifty-one".