11278883536 has 20 divisors (see below), whose sum is σ = 21856528672. Its totient is φ = 5638489056.

The previous prime is 11278883509. The next prime is 11278883549. The reversal of 11278883536 is 63538887211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43531 + ... + 156373.

Almost surely, 2^11278883536 is an apocalyptic number.

11278883536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11278883536 is a deficient number, since it is larger than the sum of its proper divisors (10577645136).

11278883536 is a wasteful number, since it uses less digits than its factorization.

11278883536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119098 (or 119092 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 11278883536 in words is "eleven billion, two hundred seventy-eight million, eight hundred eighty-three thousand, five hundred thirty-six".