10521601530 has 32 divisors (see below), whose sum is σ = 27547466688. Its totient is φ = 2550691200.

The previous prime is 10521601451. The next prime is 10521601547. The reversal of 10521601530 is 3510612501.

It is a super-2 number, since 2×10521601530² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10521601530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15941491 + ... + 15942150.

It is an arithmetic number, because the mean of its divisors is an integer number (860858334).

Almost surely, 2^10521601530 is an apocalyptic number.

10521601530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10521601530 is an abundant number, since it is smaller than the sum of its proper divisors (17025865158).

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

10521601530 is a wasteful number, since it uses less digits than its factorization.

10521601530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883662.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 10521601530 in words is "ten billion, five hundred twenty-one million, six hundred one thousand, five hundred thirty".