11782270992 has 20 divisors (see below), whose sum is σ = 30437533520. Its totient is φ = 3927423648.

The previous prime is 11782270991. The next prime is 11782270993. The reversal of 11782270992 is 29907228711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11782270991) and next prime (11782270993).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 245463979 = 11782270992 / (1 + 1 + 7 + 8 + 2 + 2 + 7 + 0 + 9 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (11782270991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122731942 + ... + 122732037.

It is an arithmetic number, because the mean of its divisors is an integer number (1521876676).

Almost surely, 2^11782270992 is an apocalyptic number.

11782270992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11782270992 is an abundant number, since it is smaller than the sum of its proper divisors (18655262528).

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

11782270992 is a wasteful number, since it uses less digits than its factorization.

11782270992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245463990 (or 245463984 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 11782270992 in words is "eleven billion, seven hundred eighty-two million, two hundred seventy thousand, nine hundred ninety-two".