13563664323100 has 36 divisors (see below), whose sum is σ = 29434842178000. Its totient is φ = 5425154098560.

The previous prime is 13563664323061. The next prime is 13563664323107. The reversal of 13563664323100 is 132346636531.

It is a super-2 number, since 2×13563664323100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13563664323107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2141760 + ... + 5631559.

Almost surely, 2^{13563664323100} is an apocalyptic number.

13563664323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13563664323100 is an abundant number, since it is smaller than the sum of its proper divisors (15871177854900).

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

13563664323100 is a wasteful number, since it uses less digits than its factorization.

13563664323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790782 (or 7790775 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 13563664323100 in words is "thirteen trillion, five hundred sixty-three billion, six hundred sixty-four million, three hundred twenty-three thousand, one hundred".