11002523144 has 8 divisors (see below), whose sum is σ = 20629730910. Its totient is φ = 5501261568.

The previous prime is 11002523141. The next prime is 11002523149. The reversal of 11002523144 is 44132520011.

It can be written as a sum of positive squares in only one way, i.e., 6927232900 + 4075290244 = 83230^2 + 63838^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11002523141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687657689 + ... + 687657704.

Almost surely, 2^11002523144 is an apocalyptic number.

It is an amenable number.

11002523144 is a deficient number, since it is larger than the sum of its proper divisors (9627207766).

11002523144 is a wasteful number, since it uses less digits than its factorization.

11002523144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375315399 (or 1375315395 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 11002523144 in words is "eleven billion, two million, five hundred twenty-three thousand, one hundred forty-four".