258479261513551 has 12 divisors (see below), whose sum is σ = 279989712247872. Its totient is φ = 238512728091456.

The previous prime is 258479261513527. The next prime is 258479261513587. The reversal of 258479261513551 is 155315162974852.

It is not a de Polignac number, because 258479261513551 - 2⁴¹ = 256280238257999 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 (258479261513251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267186591 + ... + 268152256.

It is an arithmetic number, because the mean of its divisors is an integer number (23332476020656).

Almost surely, 2^{258479261513551} is an apocalyptic number.

258479261513551 is a deficient number, since it is larger than the sum of its proper divisors (21510450734321).

258479261513551 is a wasteful number, since it uses less digits than its factorization.

258479261513551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535341730 (or 535341717 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 64.

The spelling of 258479261513551 in words is "two hundred fifty-eight trillion, four hundred seventy-nine billion, two hundred sixty-one million, five hundred thirteen thousand, five hundred fifty-one".