10520521033 has 4 divisors (see below), whose sum is σ = 11476932048. Its totient is φ = 9564110020.

The previous prime is 10520521021. The next prime is 10520521049. The reversal of 10520521033 is 33012502501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10520521033 - 2¹⁷ = 10520389961 is a prime.

It is a super-2 number, since 2×10520521033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10520520995 and 10520521013.

It is not an unprimeable number, because it can be changed into a prime (10520521013) 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, 478205491 + ... + 478205512.

It is an arithmetic number, because the mean of its divisors is an integer number (2869233012).

Almost surely, 2^10520521033 is an apocalyptic number.

It is an amenable number.

10520521033 is a deficient number, since it is larger than the sum of its proper divisors (956411015).

10520521033 is an equidigital number, since it uses as much as digits as its factorization.

10520521033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956411014.

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 10520521033 in words is "ten billion, five hundred twenty million, five hundred twenty-one thousand, thirty-three".