12553403615 has 8 divisors (see below), whose sum is σ = 15210338208. Its totient is φ = 9945220320.

The previous prime is 12553403591. The next prime is 12553403647. The reversal of 12553403615 is 51630435521.

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

It is a de Polignac number, because none of the positive numbers 2^k-12553403615 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12187256 + ... + 12188285.

It is an arithmetic number, because the mean of its divisors is an integer number (1901292276).

Almost surely, 2^12553403615 is an apocalyptic number.

12553403615 is a deficient number, since it is larger than the sum of its proper divisors (2656934593).

12553403615 is a wasteful number, since it uses less digits than its factorization.

12553403615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24375649.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 12553403615 in words is "twelve billion, five hundred fifty-three million, four hundred three thousand, six hundred fifteen".