13222551553 has 2 divisors, whose sum is σ = 13222551554. Its totient is φ = 13222551552.

The previous prime is 13222551541. The next prime is 13222551577. The reversal of 13222551553 is 35515522231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13100404849 + 122146704 = 114457^2 + 11052^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222551553 - 2⁵ = 13222551521 is a prime.

It is not a weakly prime, because it can be changed into another prime (13222555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611275776 + 6611275777.

It is an arithmetic number, because the mean of its divisors is an integer number (6611275777).

Almost surely, 2^13222551553 is an apocalyptic number.

It is an amenable number.

13222551553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222551553 is an equidigital number, since it uses as much as digits as its factorization.

13222551553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 34.

The spelling of 13222551553 in words is "thirteen billion, two hundred twenty-two million, five hundred fifty-one thousand, five hundred fifty-three".