10521055332 has 36 divisors (see below), whose sum is σ = 27579888336. Its totient is φ = 3507018120.

The previous prime is 10521055331. The next prime is 10521055343. The reversal of 10521055332 is 23355012501.

It is a happy number.

10521055332 is a `hidden beast` number, since 105 + 2 + 1 + 0 + 553 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10521055332² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10521055296 and 10521055305.

It is not an unprimeable number, because it can be changed into a prime (10521055331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5411094 + ... + 5413037.

Almost surely, 2^10521055332 is an apocalyptic number.

10521055332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10521055332 is an abundant number, since it is smaller than the sum of its proper divisors (17058833004).

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

10521055332 is a wasteful number, since it uses less digits than its factorization.

10521055332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824150 (or 10824136 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 10521055332 its reverse (23355012501), we get a palindrome (33876067833).

The spelling of 10521055332 in words is "ten billion, five hundred twenty-one million, fifty-five thousand, three hundred thirty-two".