13555321455260 has 24 divisors (see below), whose sum is σ = 30655880830176. Its totient is φ = 5005041768000.

The previous prime is 13555321455259. The next prime is 13555321455329. The reversal of 13555321455260 is 6255412355531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26067925616 + ... + 26067926135.

It is an arithmetic number, because the mean of its divisors is an integer number (1277328367924).

Almost surely, 2^{13555321455260} is an apocalyptic number.

13555321455260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13555321455260 is an abundant number, since it is smaller than the sum of its proper divisors (17100559374916).

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

13555321455260 is a wasteful number, since it uses less digits than its factorization.

13555321455260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52135851773 (or 52135851771 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 13555321455260 in words is "thirteen trillion, five hundred fifty-five billion, three hundred twenty-one million, four hundred fifty-five thousand, two hundred sixty".