11320064775 has 36 divisors (see below), whose sum is σ = 20281835808. Its totient is φ = 6035479680.

The previous prime is 11320064753. The next prime is 11320064779. The reversal of 11320064775 is 57746002311.

It is a happy number.

11320064775 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 0 + 0 + 647 + 7 + 5 = 666.

It is not a de Polignac number, because 11320064775 - 2¹² = 11320060679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320064779) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 998539 + ... + 1009811.

It is an arithmetic number, because the mean of its divisors is an integer number (563384328).

Almost surely, 2^11320064775 is an apocalyptic number.

11320064775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11320064775 is a deficient number, since it is larger than the sum of its proper divisors (8961771033).

11320064775 is a wasteful number, since it uses less digits than its factorization.

11320064775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15752 (or 15744 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 11320064775 in words is "eleven billion, three hundred twenty million, sixty-four thousand, seven hundred seventy-five".