115533725121650 has 24 divisors (see below), whose sum is σ = 234428431338864. Its totient is φ = 42012263680400.

The previous prime is 115533725121649. The next prime is 115533725121697. The reversal of 115533725121650 is 56121527335511.

It is a junction number, because it is equal to n+sod(n) for n = 115533725121595 and 115533725121604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105030658652 + ... + 105030659751.

It is an arithmetic number, because the mean of its divisors is an integer number (9767851305786).

Almost surely, 2^{115533725121650} is an apocalyptic number.

115533725121650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115533725121650 is an abundant number, since it is smaller than the sum of its proper divisors (118894706217214).

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

115533725121650 is a wasteful number, since it uses less digits than its factorization.

115533725121650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210061318426 (or 210061318421 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 115533725121650 in words is "one hundred fifteen trillion, five hundred thirty-three billion, seven hundred twenty-five million, one hundred twenty-one thousand, six hundred fifty".