13531555200 has 96 divisors (see below), whose sum is σ = 44569591560. Its totient is φ = 3608412160.

The previous prime is 13531555199. The next prime is 13531555217. The reversal of 13531555200 is 255513531.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×13531555200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695169 + ... + 714368.

Almost surely, 2^13531555200 is an apocalyptic number.

13531555200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531555200 is an abundant number, since it is smaller than the sum of its proper divisors (31038036360).

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

13531555200 is a wasteful number, since it uses less digits than its factorization.

13531555200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409564 (or 1409547 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 13531555200 in words is "thirteen billion, five hundred thirty-one million, five hundred fifty-five thousand, two hundred".