111214128480 has 384 divisors, whose sum is σ = 431778428928. Its totient is φ = 23431790592.

The previous prime is 111214128449. The next prime is 111214128517. The reversal of 111214128480 is 84821412111.

It is a super-2 number, since 2×111214128480² (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 63 ways as a sum of consecutive naturals, for example, 42237244 + ... + 42239876.

It is an arithmetic number, because the mean of its divisors is an integer number (1124422992).

Almost surely, 2^111214128480 is an apocalyptic number.

111214128480 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 111214128480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215889214464).

111214128480 is an abundant number, since it is smaller than the sum of its proper divisors (320564300448).

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

111214128480 is a wasteful number, since it uses less digits than its factorization.

111214128480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

The spelling of 111214128480 in words is "one hundred eleven billion, two hundred fourteen million, one hundred twenty-eight thousand, four hundred eighty".