13531673560 has 32 divisors (see below), whose sum is σ = 30497148000. Its totient is φ = 5403623680.

The previous prime is 13531673527. The next prime is 13531673563. The reversal of 13531673560 is 6537613531.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531673563) 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, 258421 + ... + 306340.

It is an arithmetic number, because the mean of its divisors is an integer number (953035875).

Almost surely, 2^13531673560 is an apocalyptic number.

13531673560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531673560 is an abundant number, since it is smaller than the sum of its proper divisors (16965474440).

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

13531673560 is a wasteful number, since it uses less digits than its factorization.

13531673560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565371 (or 565367 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 13531673560 in words is "thirteen billion, five hundred thirty-one million, six hundred seventy-three thousand, five hundred sixty".