10521875578 has 16 divisors (see below), whose sum is σ = 15939938304. Its totient is φ = 5208734160.

The previous prime is 10521875563. The next prime is 10521875579. The reversal of 10521875578 is 87557812501.

10521875578 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 2×10521875578² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521875579) 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 7 ways as a sum of consecutive naturals, for example, 81168 + ... + 166228.

It is an arithmetic number, because the mean of its divisors is an integer number (996246144).

Almost surely, 2^10521875578 is an apocalyptic number.

10521875578 is a deficient number, since it is larger than the sum of its proper divisors (5418062726).

10521875578 is a wasteful number, since it uses less digits than its factorization.

10521875578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85677.

The product of its (nonzero) digits is 784000, while the sum is 49.

The spelling of 10521875578 in words is "ten billion, five hundred twenty-one million, eight hundred seventy-five thousand, five hundred seventy-eight".