15020342215 has 32 divisors (see below), whose sum is σ = 19277746560. Its totient is φ = 11212992000.

The previous prime is 15020342201. The next prime is 15020342219. The reversal of 15020342215 is 51224302051.

It is not a de Polignac number, because 15020342215 - 2³³ = 6430407623 is a prime.

It is a super-2 number, since 2×15020342215² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15020342215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020342219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800845 + ... + 819385.

It is an arithmetic number, because the mean of its divisors is an integer number (602429580).

Almost surely, 2^15020342215 is an apocalyptic number.

15020342215 is a deficient number, since it is larger than the sum of its proper divisors (4257404345).

15020342215 is a wasteful number, since it uses less digits than its factorization.

15020342215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15020342215 its reverse (51224302051), we get a palindrome (66244644266).

The spelling of 15020342215 in words is "fifteen billion, twenty million, three hundred forty-two thousand, two hundred fifteen".