11286642855 has 16 divisors (see below), whose sum is σ = 18059950080. Its totient is φ = 6019102368.

The previous prime is 11286642853. The next prime is 11286642923. The reversal of 11286642855 is 55824668211.

It is not a de Polignac number, because 11286642855 - 2¹ = 11286642853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11286642853) 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, 362806 + ... + 392684.

It is an arithmetic number, because the mean of its divisors is an integer number (1128746880).

Almost surely, 2^11286642855 is an apocalyptic number.

11286642855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11286642855 is a deficient number, since it is larger than the sum of its proper divisors (6773307225).

11286642855 is a wasteful number, since it uses less digits than its factorization.

11286642855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55070.

The product of its digits is 921600, while the sum is 48.

The spelling of 11286642855 in words is "eleven billion, two hundred eighty-six million, six hundred forty-two thousand, eight hundred fifty-five".