11001002144 has 24 divisors (see below), whose sum is σ = 23627153088. Its totient is φ = 5000455360.

The previous prime is 11001002119. The next prime is 11001002149. The reversal of 11001002144 is 44120010011.

It is not an unprimeable number, because it can be changed into a prime (11001002149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15626072 + ... + 15626775.

It is an arithmetic number, because the mean of its divisors is an integer number (984464712).

Almost surely, 2^11001002144 is an apocalyptic number.

It is an amenable number.

11001002144 is an abundant number, since it is smaller than the sum of its proper divisors (12626150944).

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

11001002144 is a wasteful number, since it uses less digits than its factorization.

11001002144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31252868 (or 31252860 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11001002144 its reverse (44120010011), we get a palindrome (55121012155).

The spelling of 11001002144 in words is "eleven billion, one million, two thousand, one hundred forty-four".