11004254040 has 128 divisors (see below), whose sum is σ = 36419544000. Its totient is φ = 2642657280.

The previous prime is 11004254039. The next prime is 11004254059. The reversal of 11004254040 is 4045240011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11004253998 and 11004254016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22065 + ... + 149984.

Almost surely, 2^11004254040 is an apocalyptic number.

11004254040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11004254040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18209772000).

11004254040 is an abundant number, since it is smaller than the sum of its proper divisors (25415289960).

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

11004254040 is a wasteful number, since it uses less digits than its factorization.

11004254040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172117 (or 172113 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 11004254040 its reverse (4045240011), we get a palindrome (15049494051).

The spelling of 11004254040 in words is "eleven billion, four million, two hundred fifty-four thousand, forty".