10521504322040 has 16 divisors (see below), whose sum is σ = 23673384724680. Its totient is φ = 4208601728800.

The previous prime is 10521504322039. The next prime is 10521504322081. The reversal of 10521504322040 is 4022340512501.

It is a super-2 number, since 2×10521504322040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521504321994 and 10521504322012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131518803986 + ... + 131518804065.

Almost surely, 2^{10521504322040} is an apocalyptic number.

10521504322040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10521504322040 is an abundant number, since it is smaller than the sum of its proper divisors (13151880402640).

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

10521504322040 is a wasteful number, since it uses less digits than its factorization.

10521504322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263037608062 (or 263037608058 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 10521504322040 its reverse (4022340512501), we get a palindrome (14543844834541).

The spelling of 10521504322040 in words is "ten trillion, five hundred twenty-one billion, five hundred four million, three hundred twenty-two thousand, forty".