13554540554505 has 16 divisors (see below), whose sum is σ = 21725379601920. Its totient is φ = 7216383390848.

The previous prime is 13554540554497. The next prime is 13554540554557. The reversal of 13554540554505 is 50545504545531.

It is a cyclic number.

It is not a de Polignac number, because 13554540554505 - 2³ = 13554540554497 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, 794047737 + ... + 794064806.

It is an arithmetic number, because the mean of its divisors is an integer number (1357836225120).

Almost surely, 2^{13554540554505} is an apocalyptic number.

13554540554505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13554540554505 is a deficient number, since it is larger than the sum of its proper divisors (8170839047415).

13554540554505 is a wasteful number, since it uses less digits than its factorization.

13554540554505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588113120.

The product of its (nonzero) digits is 15000000, while the sum is 51.

The spelling of 13554540554505 in words is "thirteen trillion, five hundred fifty-four billion, five hundred forty million, five hundred fifty-four thousand, five hundred five".