15342216655 has 4 divisors (see below), whose sum is σ = 18410659992. Its totient is φ = 12273773320.

The previous prime is 15342216647. The next prime is 15342216667. The reversal of 15342216655 is 55661224351.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15342216655 - 2³ = 15342216647 is a prime.

It is a super-2 number, since 2×15342216655² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534221661 + ... + 1534221670.

It is an arithmetic number, because the mean of its divisors is an integer number (4602664998).

Almost surely, 2^15342216655 is an apocalyptic number.

15342216655 is a deficient number, since it is larger than the sum of its proper divisors (3068443337).

15342216655 is an equidigital number, since it uses as much as digits as its factorization.

15342216655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068443336.

The product of its digits is 216000, while the sum is 40.

The spelling of 15342216655 in words is "fifteen billion, three hundred forty-two million, two hundred sixteen thousand, six hundred fifty-five".