111528538797396 has 192 divisors, whose sum is σ = 309109583462400. Its totient is φ = 30625875947520.

The previous prime is 111528538797367. The next prime is 111528538797397. The reversal of 111528538797396 is 693797835825111.

It is a super-2 number, since 2×111528538797396² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (75) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111528538797397) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3254105316 + ... + 3254139588.

It is an arithmetic number, because the mean of its divisors is an integer number (1609945747200).

Almost surely, 2^{111528538797396} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111528538797396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154554791731200).

111528538797396 is an abundant number, since it is smaller than the sum of its proper divisors (197581044665004).

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

111528538797396 is a wasteful number, since it uses less digits than its factorization.

111528538797396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42854 (or 42852 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 75.

The spelling of 111528538797396 in words is "one hundred eleven trillion, five hundred twenty-eight billion, five hundred thirty-eight million, seven hundred ninety-seven thousand, three hundred ninety-six".