36522441521 has 4 divisors (see below), whose sum is σ = 38670820452. Its totient is φ = 34374062592.

The previous prime is 36522441517. The next prime is 36522441523. The reversal of 36522441521 is 12514422563.

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 19298766400 + 17223675121 = 138920^2 + 131239^2 .

It is a cyclic number.

It is not a de Polignac number, because 36522441521 - 2² = 36522441517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36522441523) 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, 1074189440 + ... + 1074189473.

It is an arithmetic number, because the mean of its divisors is an integer number (9667705113).

Almost surely, 2^36522441521 is an apocalyptic number.

It is an amenable number.

36522441521 is a deficient number, since it is larger than the sum of its proper divisors (2148378931).

36522441521 is a wasteful number, since it uses less digits than its factorization.

36522441521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148378930.

The product of its digits is 57600, while the sum is 35.

The spelling of 36522441521 in words is "thirty-six billion, five hundred twenty-two million, four hundred forty-one thousand, five hundred twenty-one".