15220050215 has 16 divisors (see below), whose sum is σ = 18391237920. Its totient is φ = 12091347840.

The previous prime is 15220050163. The next prime is 15220050229. The reversal of 15220050215 is 51205002251.

It is not a de Polignac number, because 15220050215 - 2¹⁰ = 15220049191 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, 1619480 + ... + 1628850.

It is an arithmetic number, because the mean of its divisors is an integer number (1149452370).

Almost surely, 2^15220050215 is an apocalyptic number.

15220050215 is a deficient number, since it is larger than the sum of its proper divisors (3171187705).

15220050215 is a wasteful number, since it uses less digits than its factorization.

15220050215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602.

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 15220050215 its reverse (51205002251), we get a palindrome (66425052466).

The spelling of 15220050215 in words is "fifteen billion, two hundred twenty million, fifty thousand, two hundred fifteen".