11444142104021 has 48 divisors (see below), whose sum is σ = 13239234086400. Its totient is φ = 9808777899360.

The previous prime is 11444142103981. The next prime is 11444142104099. The reversal of 11444142104021 is 12040124144411.

It is not a de Polignac number, because 11444142104021 - 2³⁴ = 11426962234837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444142106021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123857786 + ... + 123950148.

It is an arithmetic number, because the mean of its divisors is an integer number (275817376800).

Almost surely, 2^{11444142104021} is an apocalyptic number.

11444142104021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11444142104021 is a deficient number, since it is larger than the sum of its proper divisors (1795091982379).

11444142104021 is a wasteful number, since it uses less digits than its factorization.

11444142104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92726 (or 92703 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 11444142104021 its reverse (12040124144411), we get a palindrome (23484266248432).

The spelling of 11444142104021 in words is "eleven trillion, four hundred forty-four billion, one hundred forty-two million, one hundred four thousand, twenty-one".