1044401403211 has 4 divisors (see below), whose sum is σ = 1048372511472. Its totient is φ = 1040430294952.

The previous prime is 1044401403193. The next prime is 1044401403251. The reversal of 1044401403211 is 1123041044401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1044401403211 - 2²³ = 1044393014603 is a prime.

It is a super-2 number, since 2×1044401403211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044401403251) 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, 1985553736 + ... + 1985554261.

It is an arithmetic number, because the mean of its divisors is an integer number (262093127868).

Almost surely, 2^{1044401403211} is an apocalyptic number.

1044401403211 is a deficient number, since it is larger than the sum of its proper divisors (3971108261).

1044401403211 is an equidigital number, since it uses as much as digits as its factorization.

1044401403211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971108260.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1044401403211 its reverse (1123041044401), we get a palindrome (2167442447612).

The spelling of 1044401403211 in words is "one trillion, forty-four billion, four hundred one million, four hundred three thousand, two hundred eleven".