10135444521 has 8 divisors (see below), whose sum is σ = 13879167424. Its totient is φ = 6574342320.

The previous prime is 10135444519. The next prime is 10135444541. The reversal of 10135444521 is 12544453101.

10135444521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10135444521 - 2¹ = 10135444519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10135444541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45655045 + ... + 45655266.

It is an arithmetic number, because the mean of its divisors is an integer number (1734895928).

Almost surely, 2^10135444521 is an apocalyptic number.

It is an amenable number.

10135444521 is a deficient number, since it is larger than the sum of its proper divisors (3743722903).

10135444521 is an equidigital number, since it uses as much as digits as its factorization.

10135444521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91310351.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 10135444521 its reverse (12544453101), we get a palindrome (22679897622).

It can be divided in two parts, 10 and 135444521, that added together give a palindrome (135444531).

The spelling of 10135444521 in words is "ten billion, one hundred thirty-five million, four hundred forty-four thousand, five hundred twenty-one".