116542431225 has 144 divisors (see below), whose sum is σ = 236544235200. Its totient is φ = 54331200000.

The previous prime is 116542431209. The next prime is 116542431233. The reversal of 116542431225 is 522134245611.

116542431225 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 424 + 3 + 1 + 225 = 666.

It is not a de Polignac number, because 116542431225 - 2⁴ = 116542431209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116542431225.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18012291 + ... + 18018759.

It is an arithmetic number, because the mean of its divisors is an integer number (1642668300).

Almost surely, 2^116542431225 is an apocalyptic number.

116542431225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116542431225 is an abundant number, since it is smaller than the sum of its proper divisors (120001803975).

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

116542431225 is a wasteful number, since it uses less digits than its factorization.

116542431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776 (or 6768 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 116542431225 its reverse (522134245611), we get a palindrome (638676676836).

The spelling of 116542431225 in words is "one hundred sixteen billion, five hundred forty-two million, four hundred thirty-one thousand, two hundred twenty-five".