111340102542 has 64 divisors (see below), whose sum is σ = 226063872000. Its totient is φ = 36554211936.

The previous prime is 111340102501. The next prime is 111340102613. The reversal of 111340102542 is 245201043111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117570913 + ... + 117571859.

It is an arithmetic number, because the mean of its divisors is an integer number (3532248000).

Almost surely, 2^111340102542 is an apocalyptic number.

111340102542 is an abundant number, since it is smaller than the sum of its proper divisors (114723769458).

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

111340102542 is a wasteful number, since it uses less digits than its factorization.

111340102542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 111340102542 its reverse (245201043111), we get a palindrome (356541145653).

The spelling of 111340102542 in words is "one hundred eleven billion, three hundred forty million, one hundred two thousand, five hundred forty-two".