11164927478 has 36 divisors (see below), whose sum is σ = 17986576140. Its totient is φ = 5183438400.

The previous prime is 11164927453. The next prime is 11164927541. The reversal of 11164927478 is 87472946111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39732698 + ... + 39732978.

It is an arithmetic number, because the mean of its divisors is an integer number (499627115).

Almost surely, 2^11164927478 is an apocalyptic number.

11164927478 is a deficient number, since it is larger than the sum of its proper divisors (6821648662).

11164927478 is an frugal number, since it uses more digits than its factorization.

11164927478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 363 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The spelling of 11164927478 in words is "eleven billion, one hundred sixty-four million, nine hundred twenty-seven thousand, four hundred seventy-eight".