11085633780 has 48 divisors (see below), whose sum is σ = 33427451904. Its totient is φ = 2728771200.

The previous prime is 11085633731. The next prime is 11085633857. The reversal of 11085633780 is 8733658011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7105396 + ... + 7106955.

It is an arithmetic number, because the mean of its divisors is an integer number (696405248).

Almost surely, 2^11085633780 is an apocalyptic number.

11085633780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11085633780 is an abundant number, since it is smaller than the sum of its proper divisors (22341818124).

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

11085633780 is a wasteful number, since it uses less digits than its factorization.

11085633780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212376 (or 14212374 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 11085633780 in words is "eleven billion, eighty-five million, six hundred thirty-three thousand, seven hundred eighty".