115931803306810 has 32 divisors (see below), whose sum is σ = 215882526358800. Its totient is φ = 44771688837120.

The previous prime is 115931803306777. The next prime is 115931803306841. The reversal of 115931803306810 is 18603308139511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 72871473717441 + 43060329589369 = 8536479^2 + 6562037^2 .

It is a super-2 number, since 2×115931803306810² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208165 + ... + 15386344.

Almost surely, 2^{115931803306810} is an apocalyptic number.

115931803306810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115931803306810 is a deficient number, since it is larger than the sum of its proper divisors (99950723051990).

115931803306810 is a wasteful number, since it uses less digits than its factorization.

115931803306810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17617266.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 115931803306810 in words is "one hundred fifteen trillion, nine hundred thirty-one billion, eight hundred three million, three hundred six thousand, eight hundred ten".