115212487156863 has 4 divisors (see below), whose sum is σ = 153616649542488. Its totient is φ = 76808324771240.

The previous prime is 115212487156859. The next prime is 115212487156913. The reversal of 115212487156863 is 368651784212511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115212487156863 - 2² = 115212487156859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115212487156797 and 115212487156806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115212487156763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19202081192808 + ... + 19202081192813.

It is an arithmetic number, because the mean of its divisors is an integer number (38404162385622).

Almost surely, 2^{115212487156863} is an apocalyptic number.

115212487156863 is a deficient number, since it is larger than the sum of its proper divisors (38404162385625).

115212487156863 is an equidigital number, since it uses as much as digits as its factorization.

115212487156863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38404162385624.

The product of its digits is 19353600, while the sum is 60.

The spelling of 115212487156863 in words is "one hundred fifteen trillion, two hundred twelve billion, four hundred eighty-seven million, one hundred fifty-six thousand, eight hundred sixty-three".