10515016240 has 20 divisors (see below), whose sum is σ = 24447412944. Its totient is φ = 4206006464.

The previous prime is 10515016229. The next prime is 10515016241. The reversal of 10515016240 is 4261051501.

It is a happy number.

10515016240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×10515016240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10515016241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65718772 + ... + 65718931.

Almost surely, 2^10515016240 is an apocalyptic number.

10515016240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10515016240 is an abundant number, since it is smaller than the sum of its proper divisors (13932396704).

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

10515016240 is a wasteful number, since it uses less digits than its factorization.

10515016240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131437716 (or 131437710 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 10515016240 its reverse (4261051501), we get a palindrome (14776067741).

The spelling of 10515016240 in words is "ten billion, five hundred fifteen million, sixteen thousand, two hundred forty".