13215555542330 has 16 divisors (see below), whose sum is σ = 23865485323680. Its totient is φ = 5269003250832.

The previous prime is 13215555542309. The next prime is 13215555542347. The reversal of 13215555542330 is 3324555551231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152367540 + ... + 2152373679.

It is an arithmetic number, because the mean of its divisors is an integer number (1491592832730).

Almost surely, 2^{13215555542330} is an apocalyptic number.

13215555542330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13215555542330 is a deficient number, since it is larger than the sum of its proper divisors (10649929781350).

13215555542330 is a wasteful number, since it uses less digits than its factorization.

13215555542330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304741533.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 13215555542330 in words is "thirteen trillion, two hundred fifteen billion, five hundred fifty-five million, five hundred forty-two thousand, three hundred thirty".