13555332422215 has 16 divisors (see below), whose sum is σ = 16289233250400. Its totient is φ = 10829046712320.

The previous prime is 13555332422183. The next prime is 13555332422273. The reversal of 13555332422215 is 51222423355531.

It is not a de Polignac number, because 13555332422215 - 2⁵ = 13555332422183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29873635 + ... + 30323995.

It is an arithmetic number, because the mean of its divisors is an integer number (1018077078150).

Almost surely, 2^{13555332422215} is an apocalyptic number.

13555332422215 is a deficient number, since it is larger than the sum of its proper divisors (2733900828185).

13555332422215 is an equidigital number, since it uses as much as digits as its factorization.

13555332422215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458802.

The product of its digits is 1080000, while the sum is 43.

Adding to 13555332422215 its reverse (51222423355531), we get a palindrome (64777755777746).

The spelling of 13555332422215 in words is "thirteen trillion, five hundred fifty-five billion, three hundred thirty-two million, four hundred twenty-two thousand, two hundred fifteen".