10969779456 has 180 divisors, whose sum is σ = 33175052064. Its totient is φ = 3604608000.

The previous prime is 10969779449. The next prime is 10969779473. The reversal of 10969779456 is 65497796901.

10969779456 is a `hidden beast` number, since 1 + 0 + 96 + 97 + 7 + 9 + 456 = 666.

It is a super-2 number, since 2×10969779456² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10969779393 and 10969779402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1468531 + ... + 1475981.

Almost surely, 2^10969779456 is an apocalyptic number.

10969779456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10969779456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16587526032).

10969779456 is an abundant number, since it is smaller than the sum of its proper divisors (22205272608).

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

10969779456 is an frugal number, since it uses more digits than its factorization.

10969779456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550 (or 7527 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 10969779456 in words is "ten billion, nine hundred sixty-nine million, seven hundred seventy-nine thousand, four hundred fifty-six".