13555400100 has 216 divisors, whose sum is σ = 43261022784. Its totient is φ = 3274656000.

The previous prime is 13555400093. The next prime is 13555400119. The reversal of 13555400100 is 100455531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15281857 + ... + 15282743.

Almost surely, 2^13555400100 is an apocalyptic number.

13555400100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13555400100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21630511392).

13555400100 is an abundant number, since it is smaller than the sum of its proper divisors (29705622684).

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

13555400100 is a wasteful number, since it uses less digits than its factorization.

13555400100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 13555400100 its reverse (100455531), we get a palindrome (13655855631).

The spelling of 13555400100 in words is "thirteen billion, five hundred fifty-five million, four hundred thousand, one hundred".