10521200475 has 72 divisors (see below), whose sum is σ = 19081405200. Its totient is φ = 5541177600.

The previous prime is 10521200413. The next prime is 10521200479. The reversal of 10521200475 is 57400212501.

It is not a de Polignac number, because 10521200475 - 2¹¹ = 10521198427 is a prime.

It is a super-2 number, since 2×10521200475² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521200479) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 10324516 + ... + 10325534.

Almost surely, 2^10521200475 is an apocalyptic number.

10521200475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10521200475 is a deficient number, since it is larger than the sum of its proper divisors (8560204725).

10521200475 is a wasteful number, since it uses less digits than its factorization.

10521200475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 10521200475 its reverse (57400212501), we get a palindrome (67921412976).

The spelling of 10521200475 in words is "ten billion, five hundred twenty-one million, two hundred thousand, four hundred seventy-five".