13531321153 has 12 divisors (see below), whose sum is σ = 16165968448. Its totient is φ = 11093999400.

The previous prime is 13531321147. The next prime is 13531321159. The reversal of 13531321153 is 35112313531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13531321147) and next prime (13531321159).

It is not a de Polignac number, because 13531321153 - 2²⁵ = 13497766721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531321159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1823373 + ... + 1830778.

Almost surely, 2^13531321153 is an apocalyptic number.

It is an amenable number.

13531321153 is a deficient number, since it is larger than the sum of its proper divisors (2634647295).

13531321153 is an equidigital number, since it uses as much as digits as its factorization.

13531321153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654204 (or 3654181 counting only the distinct ones).

The product of its digits is 4050, while the sum is 28.

Adding to 13531321153 its reverse (35112313531), we get a palindrome (48643634684).

The spelling of 13531321153 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-one thousand, one hundred fifty-three".