10689572500 has 60 divisors (see below), whose sum is σ = 23696580292. Its totient is φ = 4217184000.

The previous prime is 10689572459. The next prime is 10689572519. The reversal of 10689572500 is 527598601.

It can be written as a sum of positive squares in 10 ways, for example, as 3966228484 + 6723344016 = 62978^2 + 81996^2 .

It is a super-2 number, since 2×10689572500² (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 (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 153214 + ... + 211786.

Almost surely, 2^10689572500 is an apocalyptic number.

10689572500 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 10689572500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11848290146).

10689572500 is an abundant number, since it is smaller than the sum of its proper divisors (13007007792).

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

10689572500 is an equidigital number, since it uses as much as digits as its factorization.

10689572500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58670 (or 58653 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 10689572500 in words is "ten billion, six hundred eighty-nine million, five hundred seventy-two thousand, five hundred".