45513522506 has 4 divisors (see below), whose sum is σ = 68270283762. Its totient is φ = 22756761252.

The previous prime is 45513522487. The next prime is 45513522517. The reversal of 45513522506 is 60522531554.

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., 37393890625 + 8119631881 = 193375^2 + 90109^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45513522506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11378380625 + ... + 11378380628.

Almost surely, 2^45513522506 is an apocalyptic number.

45513522506 is a deficient number, since it is larger than the sum of its proper divisors (22756761256).

45513522506 is a wasteful number, since it uses less digits than its factorization.

45513522506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22756761255.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 45513522506 in words is "forty-five billion, five hundred thirteen million, five hundred twenty-two thousand, five hundred six".