10521533451123 has 48 divisors (see below), whose sum is σ = 16127983872000. Its totient is φ = 6586890815232.

The previous prime is 10521533451097. The next prime is 10521533451239. The reversal of 10521533451123 is 32115433512501.

It is a happy number.

10521533451123 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 1 + 533 + 4 + 5 + 112 + 3 = 666.

10521533451123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10521533451123 is a prime.

It is a super-2 number, since 2×10521533451123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521533451323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359045290 + ... + 359074592.

It is an arithmetic number, because the mean of its divisors is an integer number (335999664000).

Almost surely, 2^{10521533451123} is an apocalyptic number.

10521533451123 is a deficient number, since it is larger than the sum of its proper divisors (5606450420877).

10521533451123 is a wasteful number, since it uses less digits than its factorization.

10521533451123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34528 (or 34525 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 10521533451123 its reverse (32115433512501), we get a palindrome (42636966963624).

The spelling of 10521533451123 in words is "ten trillion, five hundred twenty-one billion, five hundred thirty-three million, four hundred fifty-one thousand, one hundred twenty-three".