11611057075 has 12 divisors (see below), whose sum is σ = 14400172080. Its totient is φ = 9287257760.

The previous prime is 11611057067. The next prime is 11611057151. The reversal of 11611057075 is 57075011611.

It is a happy number.

11611057075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11611057075 - 2³ = 11611057067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11611057075.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122457 + ... + 195493.

It is an arithmetic number, because the mean of its divisors is an integer number (1200014340).

Almost surely, 2^11611057075 is an apocalyptic number.

11611057075 is a deficient number, since it is larger than the sum of its proper divisors (2789115005).

11611057075 is an equidigital number, since it uses as much as digits as its factorization.

11611057075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79406 (or 79401 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 34.

Adding to 11611057075 its reverse (57075011611), we get a palindrome (68686068686).

The spelling of 11611057075 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, seventy-five".