12613404554553 has 32 divisors (see below), whose sum is σ = 18599437965312. Its totient is φ = 7539224515200.

The previous prime is 12613404554551. The next prime is 12613404554567. The reversal of 12613404554553 is 35545540431621.

It is a happy number.

It is not a de Polignac number, because 12613404554553 - 2¹ = 12613404554551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12613404554551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34524748 + ... + 34888178.

It is an arithmetic number, because the mean of its divisors is an integer number (581232436416).

Almost surely, 2^{12613404554553} is an apocalyptic number.

It is an amenable number.

12613404554553 is a deficient number, since it is larger than the sum of its proper divisors (5986033410759).

12613404554553 is a wasteful number, since it uses less digits than its factorization.

12613404554553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377925.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 12613404554553 in words is "twelve trillion, six hundred thirteen billion, four hundred four million, five hundred fifty-four thousand, five hundred fifty-three".