12536045356522 has 4 divisors (see below), whose sum is σ = 18804068034786. Its totient is φ = 6268022678260.

The previous prime is 12536045356501. The next prime is 12536045356567. The reversal of 12536045356522 is 22565354063521.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7259473424281 + 5276571932241 = 2694341^2 + 2297079^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134011339129 + ... + 3134011339132.

Almost surely, 2^{12536045356522} is an apocalyptic number.

12536045356522 is a deficient number, since it is larger than the sum of its proper divisors (6268022678264).

12536045356522 is an equidigital number, since it uses as much as digits as its factorization.

12536045356522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268022678263.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 12536045356522 in words is "twelve trillion, five hundred thirty-six billion, forty-five million, three hundred fifty-six thousand, five hundred twenty-two".