11142728286 has 32 divisors (see below), whose sum is σ = 22475120640. Its totient is φ = 3682669536.

The previous prime is 11142728279. The next prime is 11142728287. The reversal of 11142728286 is 68282724111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142728287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542495 + ... + 1549701.

It is an arithmetic number, because the mean of its divisors is an integer number (702347520).

Almost surely, 2^11142728286 is an apocalyptic number.

11142728286 is an abundant number, since it is smaller than the sum of its proper divisors (11332392354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142728286 is a wasteful number, since it uses less digits than its factorization.

11142728286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9368.

The product of its digits is 86016, while the sum is 42.

The spelling of 11142728286 in words is "eleven billion, one hundred forty-two million, seven hundred twenty-eight thousand, two hundred eighty-six".