10521350042003 has 2 divisors, whose sum is σ = 10521350042004. Its totient is φ = 10521350042002.

The previous prime is 10521350041997. The next prime is 10521350042009. The reversal of 10521350042003 is 30024005312501.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10521350041997) and next prime (10521350042009).

It is a cyclic number.

It is not a de Polignac number, because 10521350042003 - 2²⁸ = 10521081606547 is a prime.

It is a super-2 number, since 2×10521350042003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10521350042009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260675021001 + 5260675021002.

It is an arithmetic number, because the mean of its divisors is an integer number (5260675021002).

Almost surely, 2^{10521350042003} is an apocalyptic number.

10521350042003 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521350042003 is an equidigital number, since it uses as much as digits as its factorization.

10521350042003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 10521350042003 its reverse (30024005312501), we get a palindrome (40545355354504).

The spelling of 10521350042003 in words is "ten trillion, five hundred twenty-one billion, three hundred fifty million, forty-two thousand, three".