12551253366 has 8 divisors (see below), whose sum is σ = 25102506744. Its totient is φ = 4183751120.

The previous prime is 12551253307. The next prime is 12551253383. The reversal of 12551253366 is 66335215521.

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

12551253366 is an admirable number.

It is a super-2 number, since 2×12551253366² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045937775 + ... + 1045937786.

It is an arithmetic number, because the mean of its divisors is an integer number (3137813343).

Almost surely, 2^12551253366 is an apocalyptic number.

12551253366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12551253366 is a wasteful number, since it uses less digits than its factorization.

12551253366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091875566.

The product of its digits is 162000, while the sum is 39.

Adding to 12551253366 its reverse (66335215521), we get a palindrome (78886468887).

It can be divided in two parts, 1255125 and 3366, that added together give a triangular number (1258491 = T₁₅₈₆).

The spelling of 12551253366 in words is "twelve billion, five hundred fifty-one million, two hundred fifty-three thousand, three hundred sixty-six".