11287929478 has 16 divisors (see below), whose sum is σ = 19542330144. Its totient is φ = 4789785600.

The previous prime is 11287929451. The next prime is 11287929481. The reversal of 11287929478 is 87492978211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990075 + ... + 3992902.

It is an arithmetic number, because the mean of its divisors is an integer number (1221395634).

Almost surely, 2^11287929478 is an apocalyptic number.

11287929478 is a deficient number, since it is larger than the sum of its proper divisors (8254400666).

11287929478 is a wasteful number, since it uses less digits than its factorization.

11287929478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983087.

The product of its digits is 4064256, while the sum is 58.

The spelling of 11287929478 in words is "eleven billion, two hundred eighty-seven million, nine hundred twenty-nine thousand, four hundred seventy-eight".