11780516 has 12 divisors (see below), whose sum is σ = 22490160. Its totient is φ = 5354760.

The previous prime is 11780501. The next prime is 11780519. The reversal of 11780516 is 61508711.

It is not an unprimeable number, because it can be changed into a prime (11780519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 133826 + ... + 133913.

It is an arithmetic number, because the mean of its divisors is an integer number (1874180).

Almost surely, 2^11780516 is an apocalyptic number.

It is an amenable number.

11780516 is a deficient number, since it is larger than the sum of its proper divisors (10709644).

11780516 is a wasteful number, since it uses less digits than its factorization.

11780516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267754 (or 267752 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 11780516 is about 3432.2756299575. The cubic root of 11780516 is about 227.5384373327.

The spelling of 11780516 in words is "eleven million, seven hundred eighty thousand, five hundred sixteen".