11125380 has 48 divisors (see below), whose sum is σ = 35602560. Its totient is φ = 2542848.

The previous prime is 11125379. The next prime is 11125409. The reversal of 11125380 is 8352111.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 12825 + ... + 13664.

It is an arithmetic number, because the mean of its divisors is an integer number (741720).

Almost surely, 2^11125380 is an apocalyptic number.

11125380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11125380 is an abundant number, since it is smaller than the sum of its proper divisors (24477180).

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

11125380 is a wasteful number, since it uses less digits than its factorization.

11125380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26508 (or 26506 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11125380 is about 3335.4729799535. The cubic root of 11125380 is about 223.2397964778.

Adding to 11125380 its reverse (8352111), we get a palindrome (19477491).

The spelling of 11125380 in words is "eleven million, one hundred twenty-five thousand, three hundred eighty".