11090778480 has 120 divisors (see below), whose sum is σ = 38866003488. Its totient is φ = 2828947968.

The previous prime is 11090778443. The next prime is 11090778487. The reversal of 11090778480 is 8487709011.

11090778480 is a `hidden beast` number, since 1 + 10 + 90 + 7 + 78 + 480 = 666.

11090778480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×11090778480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090778487) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 318307 + ... + 351426.

Almost surely, 2^11090778480 is an apocalyptic number.

11090778480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11090778480 is an abundant number, since it is smaller than the sum of its proper divisors (27775225008).

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

11090778480 is a wasteful number, since it uses less digits than its factorization.

11090778480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669775 (or 669766 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 11090778480 in words is "eleven billion, ninety million, seven hundred seventy-eight thousand, four hundred eighty".