612703103684255 has 32 divisors (see below), whose sum is σ = 739941964489728. Its totient is φ = 487035151574400.

The previous prime is 612703103684201. The next prime is 612703103684257. The reversal of 612703103684255 is 552486301307216.

It is not a de Polignac number, because 612703103684255 - 2³⁶ = 612634384207519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612703103684197 and 612703103684206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612703103684257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5478970652 + ... + 5479082478.

It is an arithmetic number, because the mean of its divisors is an integer number (23123186390304).

Almost surely, 2^{612703103684255} is an apocalyptic number.

612703103684255 is a deficient number, since it is larger than the sum of its proper divisors (127238860805473).

612703103684255 is a wasteful number, since it uses less digits than its factorization.

612703103684255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117167.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 612703103684255 in words is "six hundred twelve trillion, seven hundred three billion, one hundred three million, six hundred eighty-four thousand, two hundred fifty-five".