11251444124 has 24 divisors (see below), whose sum is σ = 20041168896. Its totient is φ = 5525982000.

The previous prime is 11251444109. The next prime is 11251444133. The reversal of 11251444124 is 42144415211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3869 + ... + 150059.

It is an arithmetic number, because the mean of its divisors is an integer number (835048704).

Almost surely, 2^11251444124 is an apocalyptic number.

It is an amenable number.

11251444124 is a deficient number, since it is larger than the sum of its proper divisors (8789724772).

11251444124 is a wasteful number, since it uses less digits than its factorization.

11251444124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146537 (or 146535 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

Adding to 11251444124 its reverse (42144415211), we get a palindrome (53395859335).

The spelling of 11251444124 in words is "eleven billion, two hundred fifty-one million, four hundred forty-four thousand, one hundred twenty-four".