11402001443 has 12 divisors (see below), whose sum is σ = 13268649240. Its totient is φ = 9769388832.

The previous prime is 11402001433. The next prime is 11402001463. The reversal of 11402001443 is 34410020411.

It is a de Polignac number, because none of the positive numbers 2^k-11402001443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11402001433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88103 + ... + 174831.

It is an arithmetic number, because the mean of its divisors is an integer number (1105720770).

Almost surely, 2^11402001443 is an apocalyptic number.

11402001443 is a deficient number, since it is larger than the sum of its proper divisors (1866647797).

11402001443 is an equidigital number, since it uses as much as digits as its factorization.

11402001443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89426 (or 89419 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11402001443 its reverse (34410020411), we get a palindrome (45812021854).

The spelling of 11402001443 in words is "eleven billion, four hundred two million, one thousand, four hundred forty-three".