10515214424 has 64 divisors (see below), whose sum is σ = 23379632640. Its totient is φ = 4370693760.

The previous prime is 10515214421. The next prime is 10515214439. The reversal of 10515214424 is 42441251501.

It is a happy number.

It is a super-2 number, since 2×10515214424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10515214421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79457 + ... + 165359.

It is an arithmetic number, because the mean of its divisors is an integer number (365306760).

Almost surely, 2^10515214424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10515214424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11689816320).

10515214424 is an abundant number, since it is smaller than the sum of its proper divisors (12864418216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10515214424 is a wasteful number, since it uses less digits than its factorization.

10515214424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86040 (or 86036 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 10515214424 its reverse (42441251501), we get a palindrome (52956465925).

The spelling of 10515214424 in words is "ten billion, five hundred fifteen million, two hundred fourteen thousand, four hundred twenty-four".