258115026866111 has 4 divisors (see below), whose sum is σ = 262346420749224. Its totient is φ = 253883632983000.

The previous prime is 258115026866089. The next prime is 258115026866119. The reversal of 258115026866111 is 111668620511852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258115026866111 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 (258115026866119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115696941465 + ... + 2115696941586.

It is an arithmetic number, because the mean of its divisors is an integer number (65586605187306).

Almost surely, 2^{258115026866111} is an apocalyptic number.

258115026866111 is a deficient number, since it is larger than the sum of its proper divisors (4231393883113).

258115026866111 is an equidigital number, since it uses as much as digits as its factorization.

258115026866111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231393883112.

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 258115026866111 in words is "two hundred fifty-eight trillion, one hundred fifteen billion, twenty-six million, eight hundred sixty-six thousand, one hundred eleven".