11013239040 has 288 divisors, whose sum is σ = 38640430080. Its totient is φ = 2660917248.

The previous prime is 11013238949. The next prime is 11013239137. The reversal of 11013239040 is 4093231011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11013239040.

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, 1674799 + ... + 1681361.

It is an arithmetic number, because the mean of its divisors is an integer number (134168160).

Almost surely, 2^11013239040 is an apocalyptic number.

11013239040 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 11013239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19320215040).

11013239040 is an abundant number, since it is smaller than the sum of its proper divisors (27627191040).

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

11013239040 is a wasteful number, since it uses less digits than its factorization.

11013239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629 (or 6615 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 11013239040 in words is "eleven billion, thirteen million, two hundred thirty-nine thousand, forty".