10521364265 has 8 divisors (see below), whose sum is σ = 12629625288. Its totient is φ = 8414432640.

The previous prime is 10521364253. The next prime is 10521364291. The reversal of 10521364265 is 56246312501.

It can be written as a sum of positive squares in 4 ways, for example, as 1206798121 + 9314566144 = 34739^2 + 96512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10521364265 - 2¹⁶ = 10521298729 is a prime.

It is a super-2 number, since 2×10521364265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314852 + ... + 346661.

It is an arithmetic number, because the mean of its divisors is an integer number (1578703161).

Almost surely, 2^10521364265 is an apocalyptic number.

It is an amenable number.

10521364265 is a deficient number, since it is larger than the sum of its proper divisors (2108261023).

10521364265 is an equidigital number, since it uses as much as digits as its factorization.

10521364265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664699.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 10521364265 its reverse (56246312501), we get a palindrome (66767676766).

The spelling of 10521364265 in words is "ten billion, five hundred twenty-one million, three hundred sixty-four thousand, two hundred sixty-five".