1053636105553 has 4 divisors (see below), whose sum is σ = 1053652593508. Its totient is φ = 1053619617600.

The previous prime is 1053636105527. The next prime is 1053636105563. The reversal of 1053636105553 is 3555016363501.

1053636105553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1008393539344 + 45242566209 = 1004188^2 + 212703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053636105553 - 2¹³ = 1053636097361 is a prime.

It is a super-2 number, since 2×1053636105553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053636105523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8147748 + ... + 8276053.

It is an arithmetic number, because the mean of its divisors is an integer number (263413148377).

Almost surely, 2^{1053636105553} is an apocalyptic number.

It is an amenable number.

1053636105553 is a deficient number, since it is larger than the sum of its proper divisors (16487955).

1053636105553 is an equidigital number, since it uses as much as digits as its factorization.

1053636105553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16487954.

The product of its (nonzero) digits is 607500, while the sum is 43.

The spelling of 1053636105553 in words is "one trillion, fifty-three billion, six hundred thirty-six million, one hundred five thousand, five hundred fifty-three".