13541553555 has 16 divisors (see below), whose sum is σ = 22806827520. Its totient is φ = 6842047968.

The previous prime is 13541553547. The next prime is 13541553587. The reversal of 13541553555 is 55535514531.

It is not a de Polignac number, because 13541553555 - 2³ = 13541553547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23756827 + ... + 23757396.

It is an arithmetic number, because the mean of its divisors is an integer number (1425426720).

Almost surely, 2^13541553555 is an apocalyptic number.

13541553555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13541553555 is a deficient number, since it is larger than the sum of its proper divisors (9265273965).

13541553555 is a wasteful number, since it uses less digits than its factorization.

13541553555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47514250.

The product of its digits is 562500, while the sum is 42.

The spelling of 13541553555 in words is "thirteen billion, five hundred forty-one million, five hundred fifty-three thousand, five hundred fifty-five".