10521254452 has 6 divisors (see below), whose sum is σ = 18412195298. Its totient is φ = 5260627224.

The previous prime is 10521254449. The next prime is 10521254453. The reversal of 10521254452 is 25445212501.

10521254452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10494773136 + 26481316 = 102444^2 + 5146^2 .

It is a super-2 number, since 2×10521254452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521254453) 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 as a sum of consecutive naturals, namely, 1315156803 + ... + 1315156810.

Almost surely, 2^10521254452 is an apocalyptic number.

It is an amenable number.

10521254452 is a deficient number, since it is larger than the sum of its proper divisors (7890940846).

10521254452 is a wasteful number, since it uses less digits than its factorization.

10521254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630313617 (or 2630313615 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 10521254452 its reverse (25445212501), we get a palindrome (35966466953).

The spelling of 10521254452 in words is "ten billion, five hundred twenty-one million, two hundred fifty-four thousand, four hundred fifty-two".