258812218851 has 32 divisors (see below), whose sum is σ = 369970272000. Its totient is φ = 160460517888.

The previous prime is 258812218823. The next prime is 258812218871. The reversal of 258812218851 is 158812218852.

It is not a de Polignac number, because 258812218851 - 2¹⁰ = 258812217827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258812218794 and 258812218803.

It is not an unprimeable number, because it can be changed into a prime (258812218871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521631 + ... + 888663.

It is an arithmetic number, because the mean of its divisors is an integer number (11561571000).

Almost surely, 2^258812218851 is an apocalyptic number.

258812218851 is a deficient number, since it is larger than the sum of its proper divisors (111158053149).

258812218851 is a wasteful number, since it uses less digits than its factorization.

258812218851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367283.

The product of its digits is 819200, while the sum is 51.

Subtracting from 258812218851 its reverse (158812218852), we obtain a palindrome (99999999999).

The spelling of 258812218851 in words is "two hundred fifty-eight billion, eight hundred twelve million, two hundred eighteen thousand, eight hundred fifty-one".