13105440554553 has 48 divisors (see below), whose sum is σ = 20484659270400. Its totient is φ = 8045659238400.

The previous prime is 13105440554537. The next prime is 13105440554587. The reversal of 13105440554553 is 35545504450131.

It is a happy number.

13105440554553 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 5 + 4 + 40 + 5 + 54 + 553 = 666.

It is not a de Polignac number, because 13105440554553 - 2⁴ = 13105440554537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13105440554499 and 13105440554508.

It is not an unprimeable number, because it can be changed into a prime (13105440552553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5576953 + ... + 7570553.

It is an arithmetic number, because the mean of its divisors is an integer number (426763734800).

Almost surely, 2^{13105440554553} is an apocalyptic number.

It is an amenable number.

13105440554553 is a deficient number, since it is larger than the sum of its proper divisors (7379218715847).

13105440554553 is a wasteful number, since it uses less digits than its factorization.

13105440554553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994702 (or 1994699 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 13105440554553 in words is "thirteen trillion, one hundred five billion, four hundred forty million, five hundred fifty-four thousand, five hundred fifty-three".