11426135144 has 8 divisors (see below), whose sum is σ = 21424003410. Its totient is φ = 5713067568.

The previous prime is 11426135137. The next prime is 11426135213. The reversal of 11426135144 is 44153162411.

It can be written as a sum of positive squares in only one way, i.e., 7458395044 + 3967740100 = 86362^2 + 62990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11426135144.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714133439 + ... + 714133454.

Almost surely, 2^11426135144 is an apocalyptic number.

It is an amenable number.

11426135144 is a deficient number, since it is larger than the sum of its proper divisors (9997868266).

11426135144 is a wasteful number, since it uses less digits than its factorization.

11426135144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428266899 (or 1428266895 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

Adding to 11426135144 its reverse (44153162411), we get a palindrome (55579297555).

The spelling of 11426135144 in words is "eleven billion, four hundred twenty-six million, one hundred thirty-five thousand, one hundred forty-four".