10215013215 has 64 divisors (see below), whose sum is σ = 18476812800. Its totient is φ = 4773619200.

The previous prime is 10215013201. The next prime is 10215013219. The reversal of 10215013215 is 51231051201.

It is not a de Polignac number, because 10215013215 - 2⁷ = 10215013087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10215013191 and 10215013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215013219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3391060 + ... + 3394070.

It is an arithmetic number, because the mean of its divisors is an integer number (288700200).

Almost surely, 2^10215013215 is an apocalyptic number.

10215013215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10215013215 is a deficient number, since it is larger than the sum of its proper divisors (8261799585).

10215013215 is a wasteful number, since it uses less digits than its factorization.

10215013215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 10215013215 its reverse (51231051201), we get a palindrome (61446064416).

The spelling of 10215013215 in words is "ten billion, two hundred fifteen million, thirteen thousand, two hundred fifteen".