13555331000 has 32 divisors (see below), whose sum is σ = 31719476880. Its totient is φ = 5422132000.

The previous prime is 13555330981. The next prime is 13555331029. The reversal of 13555331000 is 13355531.

It is a super-2 number, since 2×13555331000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776666 + ... + 6778665.

Almost surely, 2^13555331000 is an apocalyptic number.

13555331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13555331000 is an abundant number, since it is smaller than the sum of its proper divisors (18164145880).

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

13555331000 is a wasteful number, since it uses less digits than its factorization.

13555331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555352 (or 13555338 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 26.

Adding to 13555331000 its reverse (13355531), we get a palindrome (13568686531).

The spelling of 13555331000 in words is "thirteen billion, five hundred fifty-five million, three hundred thirty-one thousand".