11287854678 has 32 divisors (see below), whose sum is σ = 23072710752. Its totient is φ = 3680467200.

The previous prime is 11287854659. The next prime is 11287854679. The reversal of 11287854678 is 87645878211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287854679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18951 + ... + 151442.

It is an arithmetic number, because the mean of its divisors is an integer number (721022211).

Almost surely, 2^11287854678 is an apocalyptic number.

11287854678 is an abundant number, since it is smaller than the sum of its proper divisors (11784856074).

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

11287854678 is a wasteful number, since it uses less digits than its factorization.

11287854678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170640.

The product of its digits is 6021120, while the sum is 57.

The spelling of 11287854678 in words is "eleven billion, two hundred eighty-seven million, eight hundred fifty-four thousand, six hundred seventy-eight".