45521043104215 has 16 divisors (see below), whose sum is σ = 66101144945472. Its totient is φ = 29378286641664.

The previous prime is 45521043104213. The next prime is 45521043104239. The reversal of 45521043104215 is 51240134012554.

It is a cyclic number.

It is not a de Polignac number, because 45521043104215 - 2¹ = 45521043104213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45521043104213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38252976804 + ... + 38252977993.

It is an arithmetic number, because the mean of its divisors is an integer number (4131321559092).

Almost surely, 2^{45521043104215} is an apocalyptic number.

45521043104215 is a deficient number, since it is larger than the sum of its proper divisors (20580101841257).

45521043104215 is a wasteful number, since it uses less digits than its factorization.

45521043104215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76505954826.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 45521043104215 its reverse (51240134012554), we get a palindrome (96761177116769).

The spelling of 45521043104215 in words is "forty-five trillion, five hundred twenty-one billion, forty-three million, one hundred four thousand, two hundred fifteen".