11475780 has 48 divisors (see below), whose sum is σ = 32331264. Its totient is φ = 3041280.

The previous prime is 11475773. The next prime is 11475811. The reversal of 11475780 is 8757411.

11475780 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 11085 + ... + 12075.

It is an arithmetic number, because the mean of its divisors is an integer number (673568).

Almost surely, 2^11475780 is an apocalyptic number.

11475780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11475780 is an abundant number, since it is smaller than the sum of its proper divisors (20855484).

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

11475780 is a wasteful number, since it uses less digits than its factorization.

11475780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 11475780 is about 3387.5920651696. The cubic root of 11475780 is about 225.5592999110.

The spelling of 11475780 in words is "eleven million, four hundred seventy-five thousand, seven hundred eighty".