13555601149 has 8 divisors (see below), whose sum is σ = 14146666560. Its totient is φ = 12964676736.

The previous prime is 13555601141. The next prime is 13555601183. The reversal of 13555601149 is 94110655531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13555601149 - 2³ = 13555601141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555601141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192642 + ... + 253420.

It is an arithmetic number, because the mean of its divisors is an integer number (1768333320).

Almost surely, 2^13555601149 is an apocalyptic number.

It is an amenable number.

13555601149 is a deficient number, since it is larger than the sum of its proper divisors (591065411).

13555601149 is an equidigital number, since it uses as much as digits as its factorization.

13555601149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70499.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 13555601149 in words is "thirteen billion, five hundred fifty-five million, six hundred one thousand, one hundred forty-nine".