11822046540 has 96 divisors (see below), whose sum is σ = 34292643840. Its totient is φ = 3039859200.

The previous prime is 11822046521. The next prime is 11822046541. The reversal of 11822046540 is 4564022811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11822046541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511351 + ... + 533969.

It is an arithmetic number, because the mean of its divisors is an integer number (357215040).

Almost surely, 2^11822046540 is an apocalyptic number.

11822046540 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 11822046540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17146321920).

11822046540 is an abundant number, since it is smaller than the sum of its proper divisors (22470597300).

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

11822046540 is a wasteful number, since it uses less digits than its factorization.

11822046540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22943 (or 22941 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 11822046540 in words is "eleven billion, eight hundred twenty-two million, forty-six thousand, five hundred forty".