258516303615853 has 4 divisors (see below), whose sum is σ = 260064305434080. Its totient is φ = 256968301797628.

The previous prime is 258516303615847. The next prime is 258516303615923. The reversal of 258516303615853 is 358516303615852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258516303615853 - 2²⁹ = 258515766744941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258516303615791 and 258516303615800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258516303615653) 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, 774000908863 + ... + 774000909196.

It is an arithmetic number, because the mean of its divisors is an integer number (65016076358520).

Almost surely, 2^{258516303615853} is an apocalyptic number.

It is an amenable number.

258516303615853 is a deficient number, since it is larger than the sum of its proper divisors (1548001818227).

258516303615853 is a wasteful number, since it uses less digits than its factorization.

258516303615853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548001818226.

The product of its (nonzero) digits is 77760000, while the sum is 61.

Subtracting 258516303615853 from its reverse (358516303615852), we obtain a palindrome (99999999999999).

The spelling of 258516303615853 in words is "two hundred fifty-eight trillion, five hundred sixteen billion, three hundred three million, six hundred fifteen thousand, eight hundred fifty-three".