11211423044 has 6 divisors (see below), whose sum is σ = 19619990334. Its totient is φ = 5605711520.

The previous prime is 11211423023. The next prime is 11211423073. The reversal of 11211423044 is 44032411211.

It can be written as a sum of positive squares in only one way, i.e., 5934853444 + 5276569600 = 77038^2 + 72640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401427877 + ... + 1401427884.

It is an arithmetic number, because the mean of its divisors is an integer number (3269998389).

Almost surely, 2^11211423044 is an apocalyptic number.

It is an amenable number.

11211423044 is a deficient number, since it is larger than the sum of its proper divisors (8408567290).

11211423044 is a wasteful number, since it uses less digits than its factorization.

11211423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802855765 (or 2802855763 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11211423044 its reverse (44032411211), we get a palindrome (55243834255).

The spelling of 11211423044 in words is "eleven billion, two hundred eleven million, four hundred twenty-three thousand, forty-four".