10135452521 has 4 divisors (see below), whose sum is σ = 10249334100. Its totient is φ = 10021570944.

The previous prime is 10135452487. The next prime is 10135452533. The reversal of 10135452521 is 12525453101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1627234921 + 8508217600 = 40339^2 + 92240^2 .

It is a cyclic number.

It is not a de Polignac number, because 10135452521 - 2¹⁰ = 10135451497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10135452541) 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 3 ways as a sum of consecutive naturals, for example, 56940656 + ... + 56940833.

It is an arithmetic number, because the mean of its divisors is an integer number (2562333525).

Almost surely, 2^10135452521 is an apocalyptic number.

It is an amenable number.

10135452521 is a deficient number, since it is larger than the sum of its proper divisors (113881579).

10135452521 is an equidigital number, since it uses as much as digits as its factorization.

10135452521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113881578.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 10135452521 in words is "ten billion, one hundred thirty-five million, four hundred fifty-two thousand, five hundred twenty-one".