115166661555363 has 48 divisors (see below), whose sum is σ = 175189622791680. Its totient is φ = 66734860456000.

The previous prime is 115166661555331. The next prime is 115166661555373. The reversal of 115166661555363 is 363555166661511.

It is a happy number.

It is not a de Polignac number, because 115166661555363 - 2⁵ = 115166661555331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115166661555297 and 115166661555306.

It is not an unprimeable number, because it can be changed into a prime (115166661555373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39638353 + ... + 42444461.

It is an arithmetic number, because the mean of its divisors is an integer number (3649783808160).

Almost surely, 2^{115166661555363} is an apocalyptic number.

115166661555363 is a deficient number, since it is larger than the sum of its proper divisors (60022961236317).

115166661555363 is a wasteful number, since it uses less digits than its factorization.

115166661555363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808520 (or 2808497 counting only the distinct ones).

The product of its digits is 43740000, while the sum is 60.

The spelling of 115166661555363 in words is "one hundred fifteen trillion, one hundred sixty-six billion, six hundred sixty-one million, five hundred fifty-five thousand, three hundred sixty-three".