11440031001 has 16 divisors (see below), whose sum is σ = 17653094400. Its totient is φ = 6454410768.

The previous prime is 11440030997. The next prime is 11440031021. The reversal of 11440031001 is 10013004411.

It is not a de Polignac number, because 11440031001 - 2² = 11440030997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11440031021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3446211 + ... + 3449528.

It is an arithmetic number, because the mean of its divisors is an integer number (1103318400).

Almost surely, 2^11440031001 is an apocalyptic number.

It is an amenable number.

11440031001 is a deficient number, since it is larger than the sum of its proper divisors (6213063399).

11440031001 is an equidigital number, since it uses as much as digits as its factorization.

11440031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895828.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11440031001 its reverse (10013004411), we get a palindrome (21453035412).

The spelling of 11440031001 in words is "eleven billion, four hundred forty million, thirty-one thousand, one".