13143553456 has 40 divisors (see below), whose sum is σ = 27926212608. Its totient is φ = 5943048000.

The previous prime is 13143553453. The next prime is 13143553459. The reversal of 13143553456 is 65435534131.

It is an interprime number because it is at equal distance from previous prime (13143553453) and next prime (13143553459).

It is not an unprimeable number, because it can be changed into a prime (13143553453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161880 + ... + 229111.

Almost surely, 2^13143553456 is an apocalyptic number.

13143553456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13143553456 is an abundant number, since it is smaller than the sum of its proper divisors (14782659152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143553456 is a wasteful number, since it uses less digits than its factorization.

13143553456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391201 (or 391195 counting only the distinct ones).

The product of its digits is 324000, while the sum is 40.

The spelling of 13143553456 in words is "thirteen billion, one hundred forty-three million, five hundred fifty-three thousand, four hundred fifty-six".