10778612272 has 60 divisors (see below), whose sum is σ = 22593743640. Its totient is φ = 4964090368.

The previous prime is 10778612219. The next prime is 10778612281. The reversal of 10778612272 is 27221687701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591879 + ... + 609817.

It is an arithmetic number, because the mean of its divisors is an integer number (376562394).

Almost surely, 2^10778612272 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 10778612272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11296871820).

10778612272 is an abundant number, since it is smaller than the sum of its proper divisors (11815131368).

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

10778612272 is a wasteful number, since it uses less digits than its factorization.

10778612272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18058 (or 18005 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 10778612272 in words is "ten billion, seven hundred seventy-eight million, six hundred twelve thousand, two hundred seventy-two".