115666654503063 has 8 divisors (see below), whose sum is σ = 155204513049328. Its totient is φ = 76619949479424.

The previous prime is 115666654503017. The next prime is 115666654503073. The reversal of 115666654503063 is 360305456666511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115666654503063 - 2²⁰ = 115666653454487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115666654502994 and 115666654503012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115666654503073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122788380106 + ... + 122788381047.

It is an arithmetic number, because the mean of its divisors is an integer number (19400564131166).

Almost surely, 2^{115666654503063} is an apocalyptic number.

115666654503063 is a deficient number, since it is larger than the sum of its proper divisors (39537858546265).

115666654503063 is a wasteful number, since it uses less digits than its factorization.

115666654503063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245576761313.

The product of its (nonzero) digits is 34992000, while the sum is 57.

The spelling of 115666654503063 in words is "one hundred fifteen trillion, six hundred sixty-six billion, six hundred fifty-four million, five hundred three thousand, sixty-three".