11778883072 has 40 divisors (see below), whose sum is σ = 25674296472. Its totient is φ = 5354035200.

The previous prime is 11778883057. The next prime is 11778883079. The reversal of 11778883072 is 27038887711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778883079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040079 + ... + 1051342.

Almost surely, 2^11778883072 is an apocalyptic number.

It is an amenable number.

11778883072 is an abundant number, since it is smaller than the sum of its proper divisors (13895413400).

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

11778883072 is an equidigital number, since it uses as much as digits as its factorization.

11778883072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091450 (or 2091434 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 52.

The spelling of 11778883072 in words is "eleven billion, seven hundred seventy-eight million, eight hundred eighty-three thousand, seventy-two".