13531110553 has 2 divisors, whose sum is σ = 13531110554. Its totient is φ = 13531110552.

The previous prime is 13531110529. The next prime is 13531110581. The reversal of 13531110553 is 35501113531.

It is an a-pointer prime, because the next prime (13531110581) can be obtained adding 13531110553 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8984575369 + 4546535184 = 94787^2 + 67428^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531110553 - 2⁵ = 13531110521 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531113553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765555276 + 6765555277.

It is an arithmetic number, because the mean of its divisors is an integer number (6765555277).

Almost surely, 2^13531110553 is an apocalyptic number.

It is an amenable number.

13531110553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531110553 is an equidigital number, since it uses as much as digits as its factorization.

13531110553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 28.

The spelling of 13531110553 in words is "thirteen billion, five hundred thirty-one million, one hundred ten thousand, five hundred fifty-three".