10521332045 has 16 divisors (see below), whose sum is σ = 15278035968. Its totient is φ = 6790237440.

The previous prime is 10521332039. The next prime is 10521332051. The reversal of 10521332045 is 54023312501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10521332039) and next prime (10521332051).

It is not a de Polignac number, because 10521332045 - 2¹⁰ = 10521331021 is a prime.

It is a super-2 number, since 2×10521332045² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8840861 + ... + 8842050.

It is an arithmetic number, because the mean of its divisors is an integer number (954877248).

Almost surely, 2^10521332045 is an apocalyptic number.

It is an amenable number.

10521332045 is a deficient number, since it is larger than the sum of its proper divisors (4756703923).

10521332045 is a wasteful number, since it uses less digits than its factorization.

10521332045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17682940.

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

Adding to 10521332045 its reverse (54023312501), we get a palindrome (64544644546).

The spelling of 10521332045 in words is "ten billion, five hundred twenty-one million, three hundred thirty-two thousand, forty-five".