111528538797102 has 16 divisors (see below), whose sum is σ = 254922374393472. Its totient is φ = 31865296799160.

The previous prime is 111528538797101. The next prime is 111528538797127. The reversal of 111528538797102 is 201797835825111.

It is a super-2 number, since 2×111528538797102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111528538797101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327720699924 + ... + 1327720700007.

It is an arithmetic number, because the mean of its divisors is an integer number (15932648399592).

Almost surely, 2^{111528538797102} is an apocalyptic number.

111528538797102 is an abundant number, since it is smaller than the sum of its proper divisors (143393835596370).

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

111528538797102 is a wasteful number, since it uses less digits than its factorization.

111528538797102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655441399943.

The product of its (nonzero) digits is 8467200, while the sum is 60.

The spelling of 111528538797102 in words is "one hundred eleven trillion, five hundred twenty-eight billion, five hundred thirty-eight million, seven hundred ninety-seven thousand, one hundred two".