10521364064 has 12 divisors (see below), whose sum is σ = 20713935564. Its totient is φ = 5260682016.

The previous prime is 10521364043. The next prime is 10521364079. The reversal of 10521364064 is 46046312501.

It is a super-2 number, since 2×10521364064² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 328792627 = 10521364064 / (1 + 0 + 5 + 2 + 1 + 3 + 6 + 4 + 0 + 6 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 10521364064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164396282 + ... + 164396345.

It is an arithmetic number, because the mean of its divisors is an integer number (1726161297).

Almost surely, 2^10521364064 is an apocalyptic number.

It is an amenable number.

10521364064 is a deficient number, since it is larger than the sum of its proper divisors (10192571500).

10521364064 is an equidigital number, since it uses as much as digits as its factorization.

10521364064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328792637 (or 328792629 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 10521364064 its reverse (46046312501), we get a palindrome (56567676565).

The spelling of 10521364064 in words is "ten billion, five hundred twenty-one million, three hundred sixty-four thousand, sixty-four".