11780075 has 12 divisors (see below), whose sum is σ = 14653080. Its totient is φ = 9394560.

The previous prime is 11780063. The next prime is 11780077. The reversal of 11780075 is 57008711.

It is not a de Polignac number, because 11780075 - 2⁴ = 11780059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11780077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11171 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (1221090).

Almost surely, 2^11780075 is an apocalyptic number.

11780075 is a deficient number, since it is larger than the sum of its proper divisors (2873005).

11780075 is a wasteful number, since it uses less digits than its factorization.

11780075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 11780075 is about 3432.2113862640. The cubic root of 11780075 is about 227.5355980201.

Adding to 11780075 its reverse (57008711), we get a palindrome (68788786).

The spelling of 11780075 in words is "eleven million, seven hundred eighty thousand, seventy-five".