11049780 has 48 divisors (see below), whose sum is σ = 35360640. Its totient is φ = 2525568.

The previous prime is 11049767. The next prime is 11049793. The reversal of 11049780 is 8794011.

It is an interprime number because it is at equal distance from previous prime (11049767) and next prime (11049793).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12735 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (736680).

Almost surely, 2^11049780 is an apocalyptic number.

11049780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11049780 is an abundant number, since it is smaller than the sum of its proper divisors (24310860).

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

11049780 is a wasteful number, since it uses less digits than its factorization.

11049780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26328 (or 26326 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11049780 is about 3324.1209364282. The cubic root of 11049780 is about 222.7329882799.

The spelling of 11049780 in words is "eleven million, forty-nine thousand, seven hundred eighty".