1143636643342 has 16 divisors (see below), whose sum is σ = 1824159647232. Its totient is φ = 535872152320.

The previous prime is 1143636643319. The next prime is 1143636643363. The reversal of 1143636643342 is 2433466363411.

It is a junction number, because it is equal to n+sod(n) for n = 1143636643292 and 1143636643301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72173134 + ... + 72188977.

It is an arithmetic number, because the mean of its divisors is an integer number (114009977952).

Almost surely, 2^{1143636643342} is an apocalyptic number.

1143636643342 is a deficient number, since it is larger than the sum of its proper divisors (680523003890).

1143636643342 is a wasteful number, since it uses less digits than its factorization.

1143636643342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144362363.

The product of its digits is 2239488, while the sum is 46.

The spelling of 1143636643342 in words is "one trillion, one hundred forty-three billion, six hundred thirty-six million, six hundred forty-three thousand, three hundred forty-two".