10521303216 has 40 divisors (see below), whose sum is σ = 27187996464. Its totient is φ = 3506073600.

The previous prime is 10521303203. The next prime is 10521303251. The reversal of 10521303216 is 61230312501.

It is a super-2 number, since 2×10521303216² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 143316 + ... + 203916.

Almost surely, 2^10521303216 is an apocalyptic number.

10521303216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10521303216 is an abundant number, since it is smaller than the sum of its proper divisors (16666693248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10521303216 is a wasteful number, since it uses less digits than its factorization.

10521303216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64229 (or 64223 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 10521303216 its reverse (61230312501), we get a palindrome (71751615717).

The spelling of 10521303216 in words is "ten billion, five hundred twenty-one million, three hundred three thousand, two hundred sixteen".