10227536521 has 4 divisors (see below), whose sum is σ = 10228793344. Its totient is φ = 10226279700.

The previous prime is 10227536519. The next prime is 10227536531. The reversal of 10227536521 is 12563572201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12563572201 = 67 ⋅187516003.

It is a cyclic number.

It is not a de Polignac number, because 10227536521 - 2¹ = 10227536519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10227536531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616125 + ... + 632506.

It is an arithmetic number, because the mean of its divisors is an integer number (2557198336).

Almost surely, 2^10227536521 is an apocalyptic number.

It is an amenable number.

10227536521 is a deficient number, since it is larger than the sum of its proper divisors (1256823).

10227536521 is an equidigital number, since it uses as much as digits as its factorization.

10227536521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256822.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 10227536521 in words is "ten billion, two hundred twenty-seven million, five hundred thirty-six thousand, five hundred twenty-one".