13531155496 has 8 divisors (see below), whose sum is σ = 25370916570. Its totient is φ = 6765577744.

The previous prime is 13531155493. The next prime is 13531155499. The reversal of 13531155496 is 69455113531.

It is an interprime number because it is at equal distance from previous prime (13531155493) and next prime (13531155499).

It can be written as a sum of positive squares in only one way, i.e., 8946511396 + 4584644100 = 94586^2 + 67710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13531155493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845697211 + ... + 845697226.

Almost surely, 2^13531155496 is an apocalyptic number.

It is an amenable number.

13531155496 is a deficient number, since it is larger than the sum of its proper divisors (11839761074).

13531155496 is a wasteful number, since it uses less digits than its factorization.

13531155496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691394443 (or 1691394439 counting only the distinct ones).

The product of its digits is 243000, while the sum is 43.

The spelling of 13531155496 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, four hundred ninety-six".