1206893856063 has 64 divisors (see below), whose sum is σ = 2016418848768. Its totient is φ = 626164162560.

The previous prime is 1206893856059. The next prime is 1206893856067. The reversal of 1206893856063 is 3606583986021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1206893856059) and next prime (1206893856067).

It is not a de Polignac number, because 1206893856063 - 2² = 1206893856059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206893855994 and 1206893856012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206893856067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3336231 + ... + 3680247.

It is an arithmetic number, because the mean of its divisors is an integer number (31506544512).

Almost surely, 2^{1206893856063} is an apocalyptic number.

1206893856063 is a deficient number, since it is larger than the sum of its proper divisors (809524992705).

1206893856063 is a wasteful number, since it uses less digits than its factorization.

1206893856063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344392.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 1206893856063 in words is "one trillion, two hundred six billion, eight hundred ninety-three million, eight hundred fifty-six thousand, sixty-three".