11247022740 has 48 divisors (see below), whose sum is σ = 31592328768. Its totient is φ = 2989618944.

The previous prime is 11247022723. The next prime is 11247022769. The reversal of 11247022740 is 4722074211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11247022698 and 11247022707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280662 + ... + 318221.

It is an arithmetic number, because the mean of its divisors is an integer number (658173516).

Almost surely, 2^11247022740 is an apocalyptic number.

11247022740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11247022740 is an abundant number, since it is smaller than the sum of its proper divisors (20345306028).

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

11247022740 is a wasteful number, since it uses less digits than its factorization.

11247022740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599208 (or 599206 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

Adding to 11247022740 its reverse (4722074211), we get a palindrome (15969096951).

The spelling of 11247022740 in words is "eleven billion, two hundred forty-seven million, twenty-two thousand, seven hundred forty".