1143109811263 has 32 divisors (see below), whose sum is σ = 1379036736000. Its totient is φ = 925632489600.

The previous prime is 1143109811177. The next prime is 1143109811269. The reversal of 1143109811263 is 3621189013411.

It is not a de Polignac number, because 1143109811263 - 2⁹ = 1143109810751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143109811269) 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, 88067308 + ... + 88080286.

It is an arithmetic number, because the mean of its divisors is an integer number (43094898000).

Almost surely, 2^{1143109811263} is an apocalyptic number.

1143109811263 is a deficient number, since it is larger than the sum of its proper divisors (235926924737).

1143109811263 is a wasteful number, since it uses less digits than its factorization.

1143109811263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14815.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 1143109811263 in words is "one trillion, one hundred forty-three billion, one hundred nine million, eight hundred eleven thousand, two hundred sixty-three".