111155132000 has 192 divisors, whose sum is σ = 298930963968. Its totient is φ = 40285120000.

The previous prime is 111155131999. The next prime is 111155132027. The reversal of 111155132000 is 231551111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13679939 + ... + 13688061.

It is an arithmetic number, because the mean of its divisors is an integer number (1556932104).

Almost surely, 2^111155132000 is an apocalyptic number.

111155132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111155132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149465481984).

111155132000 is an abundant number, since it is smaller than the sum of its proper divisors (187775831968).

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

111155132000 is a wasteful number, since it uses less digits than its factorization.

111155132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 111155132000 its reverse (231551111), we get a palindrome (111386683111).

The spelling of 111155132000 in words is "one hundred eleven billion, one hundred fifty-five million, one hundred thirty-two thousand".