11223555580 has 48 divisors (see below), whose sum is σ = 24987384576. Its totient is φ = 4227171840.

The previous prime is 11223555559. The next prime is 11223555587. The reversal of 11223555580 is 8555532211.

It is a super-3 number, since 3×11223555580³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223555587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221689 + ... + 267568.

It is an arithmetic number, because the mean of its divisors is an integer number (520570512).

Almost surely, 2^11223555580 is an apocalyptic number.

11223555580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223555580 is an abundant number, since it is smaller than the sum of its proper divisors (13763828996).

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

11223555580 is a wasteful number, since it uses less digits than its factorization.

11223555580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489334 (or 489332 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 11223555580 in words is "eleven billion, two hundred twenty-three million, five hundred fifty-five thousand, five hundred eighty".