115813761803240 has 128 divisors (see below), whose sum is σ = 284103212793120. Its totient is φ = 42316647628800.

The previous prime is 115813761803191. The next prime is 115813761803269. The reversal of 115813761803240 is 42308167318511.

It is a happy number.

115813761803240 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 16 ways, for example, as 12915987829924 + 102897773973316 = 3593882^2 + 10143854^2 .

It is a super-2 number, since 2×115813761803240² (a number of 29 digits) contains 22 as substring.

115813761803240 is an undulating number in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5380841 + ... + 16142520.

Almost surely, 2^{115813761803240} is an apocalyptic number.

115813761803240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115813761803240 is an abundant number, since it is smaller than the sum of its proper divisors (168289450989880).

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

115813761803240 is a wasteful number, since it uses less digits than its factorization.

115813761803240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523623 (or 21523619 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 115813761803240 in words is "one hundred fifteen trillion, eight hundred thirteen billion, seven hundred sixty-one million, eight hundred three thousand, two hundred forty".