10521135527 has 8 divisors (see below), whose sum is σ = 12169024896. Its totient is φ = 8909463672.

The previous prime is 10521135517. The next prime is 10521135551. The reversal of 10521135527 is 72553112501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10521135527 - 2²² = 10516941223 is a prime.

It is a super-2 number, since 2×10521135527² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521135493 and 10521135502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521135517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9053753 + ... + 9054914.

It is an arithmetic number, because the mean of its divisors is an integer number (1521128112).

Almost surely, 2^10521135527 is an apocalyptic number.

10521135527 is a deficient number, since it is larger than the sum of its proper divisors (1647889369).

10521135527 is an equidigital number, since it uses as much as digits as its factorization.

10521135527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18108757.

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 10521135527 in words is "ten billion, five hundred twenty-one million, one hundred thirty-five thousand, five hundred twenty-seven".