13356054405 has 12 divisors (see below), whose sum is σ = 23150494380. Its totient is φ = 7123228992.

The previous prime is 13356054379. The next prime is 13356054407. The reversal of 13356054405 is 50445065331.

13356054405 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 605 + 4 + 40 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2314668321 + 11041386084 = 48111^2 + 105078^2 .

It is not a de Polignac number, because 13356054405 - 2⁵ = 13356054373 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13356054405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356054407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148400560 + ... + 148400649.

It is an arithmetic number, because the mean of its divisors is an integer number (1929207865).

Almost surely, 2^13356054405 is an apocalyptic number.

13356054405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13356054405 is a deficient number, since it is larger than the sum of its proper divisors (9794439975).

13356054405 is a wasteful number, since it uses less digits than its factorization.

13356054405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296801220 (or 296801217 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 13356054405 in words is "thirteen billion, three hundred fifty-six million, fifty-four thousand, four hundred five".