13551323500 has 96 divisors (see below), whose sum is σ = 34770415680. Its totient is φ = 4548672000.

The previous prime is 13551323483. The next prime is 13551323501. The reversal of 13551323500 is 532315531.

It is not an unprimeable number, because it can be changed into a prime (13551323501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23265 + ... + 166264.

It is an arithmetic number, because the mean of its divisors is an integer number (362191830).

Almost surely, 2^13551323500 is an apocalyptic number.

13551323500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551323500 is an abundant number, since it is smaller than the sum of its proper divisors (21219092180).

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

13551323500 is a wasteful number, since it uses less digits than its factorization.

13551323500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189572 (or 189560 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 13551323500 in words is "thirteen billion, five hundred fifty-one million, three hundred twenty-three thousand, five hundred".