10521330454435 has 16 divisors (see below), whose sum is σ = 12691035558432. Its totient is φ = 8373543609600.

The previous prime is 10521330454343. The next prime is 10521330454451. The reversal of 10521330454435 is 53445403312501.

It is not a de Polignac number, because 10521330454435 - 2⁷ = 10521330454307 is a prime.

It is a super-2 number, since 2×10521330454435² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5778276 + ... + 7377745.

It is an arithmetic number, because the mean of its divisors is an integer number (793189722402).

Almost surely, 2^{10521330454435} is an apocalyptic number.

10521330454435 is a deficient number, since it is larger than the sum of its proper divisors (2169705103997).

10521330454435 is a wasteful number, since it uses less digits than its factorization.

10521330454435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13156854.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 10521330454435 its reverse (53445403312501), we get a palindrome (63966733766936).

The spelling of 10521330454435 in words is "ten trillion, five hundred twenty-one billion, three hundred thirty million, four hundred fifty-four thousand, four hundred thirty-five".