1143235220401 has 4 divisors (see below), whose sum is σ = 1143238088304. Its totient is φ = 1143232352500.

The previous prime is 1143235220389. The next prime is 1143235220417. The reversal of 1143235220401 is 1040225323411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143235220401 - 2⁷ = 1143235220273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143235220401.

It is not an unprimeable number, because it can be changed into a prime (1143235227401) 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, 716275 + ... + 1673176.

It is an arithmetic number, because the mean of its divisors is an integer number (285809522076).

Almost surely, 2^{1143235220401} is an apocalyptic number.

It is an amenable number.

1143235220401 is a deficient number, since it is larger than the sum of its proper divisors (2867903).

1143235220401 is an equidigital number, since it uses as much as digits as its factorization.

1143235220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867902.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 1143235220401 in words is "one trillion, one hundred forty-three billion, two hundred thirty-five million, two hundred twenty thousand, four hundred one".