11193027380 has 12 divisors (see below), whose sum is σ = 23505357540. Its totient is φ = 4477210944.

The previous prime is 11193027379. The next prime is 11193027463. The reversal of 11193027380 is 8372039111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1699253284 + 9493774096 = 41222^2 + 97436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11193027380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279825665 + ... + 279825704.

It is an arithmetic number, because the mean of its divisors is an integer number (1958779795).

Almost surely, 2^11193027380 is an apocalyptic number.

11193027380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11193027380 is an abundant number, since it is smaller than the sum of its proper divisors (12312330160).

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

11193027380 is a wasteful number, since it uses less digits than its factorization.

11193027380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559651378 (or 559651376 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 11193027380 in words is "eleven billion, one hundred ninety-three million, twenty-seven thousand, three hundred eighty".