11001442400 has 72 divisors (see below), whose sum is σ = 28923242544. Its totient is φ = 4062067200.

The previous prime is 11001442381. The next prime is 11001442447. The reversal of 11001442400 is 424410011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518516 + ... + 539315.

It is an arithmetic number, because the mean of its divisors is an integer number (401711702).

Almost surely, 2^11001442400 is an apocalyptic number.

11001442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001442400 is an abundant number, since it is smaller than the sum of its proper divisors (17921800144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001442400 is a wasteful number, since it uses less digits than its factorization.

11001442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057864 (or 1057851 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11001442400 its reverse (424410011), we get a palindrome (11425852411).

The spelling of 11001442400 in words is "eleven billion, one million, four hundred forty-two thousand, four hundred".