11113355580 has 24 divisors (see below), whose sum is σ = 31117395792. Its totient is φ = 2963561472.

The previous prime is 11113355563. The next prime is 11113355597. The reversal of 11113355580 is 8555331111.

It is an interprime number because it is at equal distance from previous prime (11113355563) and next prime (11113355597).

It is a super-3 number, since 3×11113355580³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92611237 + ... + 92611356.

It is an arithmetic number, because the mean of its divisors is an integer number (1296558158).

Almost surely, 2^11113355580 is an apocalyptic number.

11113355580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113355580 is an abundant number, since it is smaller than the sum of its proper divisors (20004040212).

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

11113355580 is a wasteful number, since it uses less digits than its factorization.

11113355580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185222605 (or 185222603 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 11113355580 its reverse (8555331111), we get a palindrome (19668686691).

The spelling of 11113355580 in words is "eleven billion, one hundred thirteen million, three hundred fifty-five thousand, five hundred eighty".