111204425432545 has 8 divisors (see below), whose sum is σ = 133445447346024. Its totient is φ = 88963449128064.

The previous prime is 111204425432501. The next prime is 111204425432549. The reversal of 111204425432545 is 545234524402111.

It can be written as a sum of positive squares in 4 ways, for example, as 50289897022369 + 60914528410176 = 7091537^2 + 7804776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111204425432545 - 2¹⁹ = 111204424908257 is a prime.

It is a super-2 number, since 2×111204425432545² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111204425432549) 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, 5786764 + ... + 15996733.

It is an arithmetic number, because the mean of its divisors is an integer number (16680680918253).

Almost surely, 2^{111204425432545} is an apocalyptic number.

It is an amenable number.

111204425432545 is a deficient number, since it is larger than the sum of its proper divisors (22241021913479).

111204425432545 is a wasteful number, since it uses less digits than its factorization.

111204425432545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804499.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 111204425432545 its reverse (545234524402111), we get a palindrome (656438949834656).

The spelling of 111204425432545 in words is "one hundred eleven trillion, two hundred four billion, four hundred twenty-five million, four hundred thirty-two thousand, five hundred forty-five".