11027731580 has 12 divisors (see below), whose sum is σ = 23158236360. Its totient is φ = 4411092624.

The previous prime is 11027731523. The next prime is 11027731591. The reversal of 11027731580 is 8513772011.

It is a happy number.

11027731580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11027731580² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11027731580.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 275693270 + ... + 275693309.

It is an arithmetic number, because the mean of its divisors is an integer number (1929853030).

Almost surely, 2^11027731580 is an apocalyptic number.

11027731580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11027731580 is an abundant number, since it is smaller than the sum of its proper divisors (12130504780).

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

11027731580 is a wasteful number, since it uses less digits than its factorization.

11027731580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551386588 (or 551386586 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 11027731580 in words is "eleven billion, twenty-seven million, seven hundred thirty-one thousand, five hundred eighty".