10513438878 has 16 divisors (see below), whose sum is σ = 21045159936. Its totient is φ = 3501432600.

The previous prime is 10513438847. The next prime is 10513438909. The reversal of 10513438878 is 87883431501.

It is a happy number.

10513438878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10513438847) and next prime (10513438909).

It is a super-2 number, since 2×10513438878² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 754276 + ... + 768087.

It is an arithmetic number, because the mean of its divisors is an integer number (1315322496).

Almost surely, 2^10513438878 is an apocalyptic number.

10513438878 is an abundant number, since it is smaller than the sum of its proper divisors (10531721058).

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

10513438878 is a wasteful number, since it uses less digits than its factorization.

10513438878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523519.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 10513438878 in words is "ten billion, five hundred thirteen million, four hundred thirty-eight thousand, eight hundred seventy-eight".