258371223551 has 8 divisors (see below), whose sum is σ = 295800350880. Its totient is φ = 221071834368.

The previous prime is 258371223353. The next prime is 258371223599. The reversal of 258371223551 is 155322173852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258371223551 - 2¹⁴ = 258371207167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258371223251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32430266 + ... + 32438231.

It is an arithmetic number, because the mean of its divisors is an integer number (36975043860).

Almost surely, 2^258371223551 is an apocalyptic number.

258371223551 is a deficient number, since it is larger than the sum of its proper divisors (37429127329).

258371223551 is an equidigital number, since it uses as much as digits as its factorization.

258371223551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64869073.

The product of its digits is 504000, while the sum is 44.

The spelling of 258371223551 in words is "two hundred fifty-eight billion, three hundred seventy-one million, two hundred twenty-three thousand, five hundred fifty-one".