11180649 has 8 divisors (see below), whose sum is σ = 14953120. Its totient is φ = 7430976.

The previous prime is 11180639. The next prime is 11180651. The reversal of 11180649 is 94608111.

11180649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11180649 - 2¹⁹ = 10656361 is a prime.

It is a super-2 number, since 2×11180649² = 250013824122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11180639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4519 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (1869140).

Almost surely, 2^11180649 is an apocalyptic number.

It is an amenable number.

11180649 is a deficient number, since it is larger than the sum of its proper divisors (3772471).

11180649 is a wasteful number, since it uses less digits than its factorization.

11180649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11180649 is about 3343.7477476628. The cubic root of 11180649 is about 223.6088584810.

The spelling of 11180649 in words is "eleven million, one hundred eighty thousand, six hundred forty-nine".