12551048615 has 32 divisors (see below), whose sum is σ = 17393080320. Its totient is φ = 8516534400.

The previous prime is 12551048603. The next prime is 12551048621. The reversal of 12551048615 is 51684015521.

It is not a de Polignac number, because 12551048615 - 2⁶ = 12551048551 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3931670 + ... + 3934860.

It is an arithmetic number, because the mean of its divisors is an integer number (543533760).

Almost surely, 2^12551048615 is an apocalyptic number.

12551048615 is a deficient number, since it is larger than the sum of its proper divisors (4842031705).

12551048615 is a wasteful number, since it uses less digits than its factorization.

12551048615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 12551048615 in words is "twelve billion, five hundred fifty-one million, forty-eight thousand, six hundred fifteen".