10521350042006 has 4 divisors (see below), whose sum is σ = 15782025063012. Its totient is φ = 5260675021002.

The previous prime is 10521350042003. The next prime is 10521350042009. The reversal of 10521350042006 is 60024005312501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10521350042003) and next prime (10521350042009).

It is a super-2 number, since 2×10521350042006² (a number of 27 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 10521350042006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521350042003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630337510500 + ... + 2630337510503.

It is an arithmetic number, because the mean of its divisors is an integer number (3945506265753).

Almost surely, 2^{10521350042006} is an apocalyptic number.

10521350042006 is a deficient number, since it is larger than the sum of its proper divisors (5260675021006).

10521350042006 is an equidigital number, since it uses as much as digits as its factorization.

10521350042006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260675021005.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 10521350042006 its reverse (60024005312501), we get a palindrome (70545355354507).

The spelling of 10521350042006 in words is "ten trillion, five hundred twenty-one billion, three hundred fifty million, forty-two thousand, six".