10511245220 has 48 divisors (see below), whose sum is σ = 25269729408. Its totient is φ = 3597749760.

The previous prime is 10511245207. The next prime is 10511245271. The reversal of 10511245220 is 2254211501.

10511245220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10511245220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19715 + ... + 146325.

It is an arithmetic number, because the mean of its divisors is an integer number (526452696).

Almost surely, 2^10511245220 is an apocalyptic number.

10511245220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10511245220 is an abundant number, since it is smaller than the sum of its proper divisors (14758484188).

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

10511245220 is a wasteful number, since it uses less digits than its factorization.

10511245220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127220 (or 127218 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 10511245220 its reverse (2254211501), we get a palindrome (12765456721).

The spelling of 10511245220 in words is "ten billion, five hundred eleven million, two hundred forty-five thousand, two hundred twenty".