111434329612516 has 27 divisors (see below), whose sum is σ = 195534759645673. Its totient is φ = 55567656694160.

The previous prime is 111434329612513. The next prime is 111434329612517. The reversal of 111434329612516 is 615216923434111.

The square root of 111434329612516 is 10556246.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 63695626750116 + 47738702862400 = 7980954^2 + 6909320^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111434329612516.

It is not an unprimeable number, because it can be changed into a prime (111434329612513) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8086077546 + ... + 8086091326.

Almost surely, 2^{111434329612516} is an apocalyptic number.

111434329612516 is the 10556246-th square number.

It is an amenable number.

111434329612516 is a deficient number, since it is larger than the sum of its proper divisors (84100430033157).

111434329612516 is an frugal number, since it uses more digits than its factorization.

111434329612516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332 (or 14166 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The spelling of 111434329612516 in words is "one hundred eleven trillion, four hundred thirty-four billion, three hundred twenty-nine million, six hundred twelve thousand, five hundred sixteen".