13555040502000 has 160 divisors (see below), whose sum is σ = 44882571599424. Its totient is φ = 3516983424000.

The previous prime is 13555040501993. The next prime is 13555040502011. The reversal of 13555040502000 is 20504055531.

It is a happy number.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30307371 + ... + 30751370.

Almost surely, 2^{13555040502000} is an apocalyptic number.

13555040502000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13555040502000 is an abundant number, since it is smaller than the sum of its proper divisors (31327531097424).

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

13555040502000 is a wasteful number, since it uses less digits than its factorization.

13555040502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61058804 (or 61058788 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 13555040502000 its reverse (20504055531), we get a palindrome (13575544557531).

The spelling of 13555040502000 in words is "thirteen trillion, five hundred fifty-five billion, forty million, five hundred two thousand".