11285578623 has 8 divisors (see below), whose sum is σ = 16415387136. Its totient is φ = 6839744600.

The previous prime is 11285578583. The next prime is 11285578627. The reversal of 11285578623 is 32687558211.

11285578623 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 a cyclic number.

It is not a de Polignac number, because 11285578623 - 2⁶ = 11285578559 is a prime.

It is a super-2 number, since 2×11285578623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11285578627) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170993583 + ... + 170993648.

It is an arithmetic number, because the mean of its divisors is an integer number (2051923392).

Almost surely, 2^11285578623 is an apocalyptic number.

11285578623 is a deficient number, since it is larger than the sum of its proper divisors (5129808513).

11285578623 is a wasteful number, since it uses less digits than its factorization.

11285578623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341987245.

The product of its digits is 806400, while the sum is 48.

The spelling of 11285578623 in words is "eleven billion, two hundred eighty-five million, five hundred seventy-eight thousand, six hundred twenty-three".