11778272724 has 96 divisors (see below), whose sum is σ = 29477540736. Its totient is φ = 3647324160.

The previous prime is 11778272683. The next prime is 11778272743. The reversal of 11778272724 is 42727287711.

11778272724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12129559 + ... + 12130529.

It is an arithmetic number, because the mean of its divisors is an integer number (307057716).

Almost surely, 2^11778272724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11778272724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14738770368).

11778272724 is an abundant number, since it is smaller than the sum of its proper divisors (17699268012).

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

11778272724 is a wasteful number, since it uses less digits than its factorization.

11778272724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1703 counting only the distinct ones).

The product of its digits is 614656, while the sum is 48.

The spelling of 11778272724 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-two thousand, seven hundred twenty-four".