11002254140 has 48 divisors (see below), whose sum is σ = 25125049152. Its totient is φ = 4030073856.

The previous prime is 11002254031. The next prime is 11002254143. The reversal of 11002254140 is 4145220011.

It is a happy number.

11002254140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11002254140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002254143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424712 + ... + 449871.

It is an arithmetic number, because the mean of its divisors is an integer number (523438524).

Almost surely, 2^11002254140 is an apocalyptic number.

11002254140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002254140 is an abundant number, since it is smaller than the sum of its proper divisors (14122795012).

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

11002254140 is a wasteful number, since it uses less digits than its factorization.

11002254140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874646 (or 874644 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11002254140 its reverse (4145220011), we get a palindrome (15147474151).

The spelling of 11002254140 in words is "eleven billion, two million, two hundred fifty-four thousand, one hundred forty".