11152182778 has 32 divisors (see below), whose sum is σ = 18830786688. Its totient is φ = 4909382400.

The previous prime is 11152182731. The next prime is 11152182857. The reversal of 11152182778 is 87728125111.

It is a happy number.

It is an unprimeable number.

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, 78451 + ... + 168697.

It is an arithmetic number, because the mean of its divisors is an integer number (588462084).

Almost surely, 2^11152182778 is an apocalyptic number.

11152182778 is a deficient number, since it is larger than the sum of its proper divisors (7678603910).

11152182778 is a wasteful number, since it uses less digits than its factorization.

11152182778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90438.

The product of its digits is 62720, while the sum is 43.

The spelling of 11152182778 in words is "eleven billion, one hundred fifty-two million, one hundred eighty-two thousand, seven hundred seventy-eight".