10511234240 has 112 divisors (see below), whose sum is σ = 27098426880. Its totient is φ = 3860459520.

The previous prime is 10511234233. The next prime is 10511234297. The reversal of 10511234240 is 4243211501.

It is a super-2 number, since 2×10511234240² (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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787946 + ... + 801174.

It is an arithmetic number, because the mean of its divisors is an integer number (241950240).

Almost surely, 2^10511234240 is an apocalyptic number.

10511234240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10511234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13549213440).

10511234240 is an abundant number, since it is smaller than the sum of its proper divisors (16587192640).

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

10511234240 is a wasteful number, since it uses less digits than its factorization.

10511234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450 (or 13440 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10511234240 its reverse (4243211501), we get a palindrome (14754445741).

The spelling of 10511234240 in words is "ten billion, five hundred eleven million, two hundred thirty-four thousand, two hundred forty".