12558708951 has 4 divisors (see below), whose sum is σ = 16744945272. Its totient is φ = 8372472632.

The previous prime is 12558708923. The next prime is 12558708959. The reversal of 12558708951 is 15980785521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15980785521 = 3 ⋅5326928507.

It is a cyclic number.

It is not a de Polignac number, because 12558708951 - 2¹⁰ = 12558707927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12558708894 and 12558708903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12558708959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093118156 + ... + 2093118161.

It is an arithmetic number, because the mean of its divisors is an integer number (4186236318).

Almost surely, 2^12558708951 is an apocalyptic number.

12558708951 is a deficient number, since it is larger than the sum of its proper divisors (4186236321).

12558708951 is an equidigital number, since it uses as much as digits as its factorization.

12558708951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186236320.

The product of its (nonzero) digits is 1008000, while the sum is 51.

The spelling of 12558708951 in words is "twelve billion, five hundred fifty-eight million, seven hundred eight thousand, nine hundred fifty-one".