10521075432 has 32 divisors (see below), whose sum is σ = 30060216000. Its totient is φ = 3006021504.

The previous prime is 10521075419. The next prime is 10521075451. The reversal of 10521075432 is 23457012501.

It is a super-2 number, since 2×10521075432² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10521075432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31312557 + ... + 31312892.

It is an arithmetic number, because the mean of its divisors is an integer number (939381750).

Almost surely, 2^10521075432 is an apocalyptic number.

10521075432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10521075432 is an abundant number, since it is smaller than the sum of its proper divisors (19539140568).

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

10521075432 is a wasteful number, since it uses less digits than its factorization.

10521075432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62625465 (or 62625461 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 10521075432 its reverse (23457012501), we get a palindrome (33978087933).

The spelling of 10521075432 in words is "ten billion, five hundred twenty-one million, seventy-five thousand, four hundred thirty-two".