1143636662053 has 4 divisors (see below), whose sum is σ = 1143642307468. Its totient is φ = 1143631016640.

The previous prime is 1143636661987. The next prime is 1143636662081. The reversal of 1143636662053 is 3502666363411.

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 813634668289 + 330001993764 = 902017^2 + 574458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143636662053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143636661994 and 1143636662012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143636662353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507076 + ... + 2927917.

It is an arithmetic number, because the mean of its divisors is an integer number (285910576867).

Almost surely, 2^{1143636662053} is an apocalyptic number.

It is an amenable number.

1143636662053 is a deficient number, since it is larger than the sum of its proper divisors (5645415).

1143636662053 is an equidigital number, since it uses as much as digits as its factorization.

1143636662053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645414.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 1143636662053 in words is "one trillion, one hundred forty-three billion, six hundred thirty-six million, six hundred sixty-two thousand, fifty-three".