111133308380 has 24 divisors (see below), whose sum is σ = 233390360448. Its totient is φ = 44451339968.

The previous prime is 111133308353. The next prime is 111133308397. The reversal of 111133308380 is 83803331111.

It is a super-2 number, since 2×111133308380² (a number of 23 digits) contains 22 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, 386837 + ... + 609843.

It is an arithmetic number, because the mean of its divisors is an integer number (9724598352).

Almost surely, 2^111133308380 is an apocalyptic number.

111133308380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111133308380 is an abundant number, since it is smaller than the sum of its proper divisors (122257052068).

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

111133308380 is a wasteful number, since it uses less digits than its factorization.

111133308380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247933 (or 247931 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 111133308380 its reverse (83803331111), we get a palindrome (194936639491).

The spelling of 111133308380 in words is "one hundred eleven billion, one hundred thirty-three million, three hundred eight thousand, three hundred eighty".