13551615215 has 8 divisors (see below), whose sum is σ = 16347080448. Its totient is φ = 10784530720.

The previous prime is 13551615197. The next prime is 13551615223. The reversal of 13551615215 is 51251615531.

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

It is not a de Polignac number, because 13551615215 - 2¹⁴ = 13551598831 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, 7094132 + ... + 7096041.

It is an arithmetic number, because the mean of its divisors is an integer number (2043385056).

Almost surely, 2^13551615215 is an apocalyptic number.

13551615215 is a deficient number, since it is larger than the sum of its proper divisors (2795465233).

13551615215 is a wasteful number, since it uses less digits than its factorization.

13551615215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190369.

The product of its digits is 22500, while the sum is 35.

The spelling of 13551615215 in words is "thirteen billion, five hundred fifty-one million, six hundred fifteen thousand, two hundred fifteen".