11280127992 has 64 divisors (see below), whose sum is σ = 32254521600. Its totient is φ = 3220335360.

The previous prime is 11280127967. The next prime is 11280128003. The reversal of 11280127992 is 29972108211.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 190884 + ... + 242892.

It is an arithmetic number, because the mean of its divisors is an integer number (503976900).

Almost surely, 2^11280127992 is an apocalyptic number.

11280127992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11280127992 is an abundant number, since it is smaller than the sum of its proper divisors (20974393608).

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

11280127992 is a wasteful number, since it uses less digits than its factorization.

11280127992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53316 (or 53312 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 11280127992 in words is "eleven billion, two hundred eighty million, one hundred twenty-seven thousand, nine hundred ninety-two".