10515223133 has 4 divisors (see below), whose sum is σ = 10611693180. Its totient is φ = 10418753088.

The previous prime is 10515223123. The next prime is 10515223151. The reversal of 10515223133 is 33132251501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4131532729 + 6383690404 = 64277^2 + 79898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10515223133 is a prime.

It is a super-2 number, since 2×10515223133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10515223123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48234860 + ... + 48235077.

It is an arithmetic number, because the mean of its divisors is an integer number (2652923295).

Almost surely, 2^10515223133 is an apocalyptic number.

It is an amenable number.

10515223133 is a deficient number, since it is larger than the sum of its proper divisors (96470047).

10515223133 is an equidigital number, since it uses as much as digits as its factorization.

10515223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96470046.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 10515223133 its reverse (33132251501), we get a palindrome (43647474634).

The spelling of 10515223133 in words is "ten billion, five hundred fifteen million, two hundred twenty-three thousand, one hundred thirty-three".