45555326515 has 4 divisors (see below), whose sum is σ = 54666391824. Its totient is φ = 36444261208.

The previous prime is 45555326417. The next prime is 45555326519. The reversal of 45555326515 is 51562355554.

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

It is a cyclic number.

It is not a de Polignac number, because 45555326515 - 2¹⁵ = 45555293747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45555326519) 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, 4555532647 + ... + 4555532656.

It is an arithmetic number, because the mean of its divisors is an integer number (13666597956).

Almost surely, 2^45555326515 is an apocalyptic number.

45555326515 is a deficient number, since it is larger than the sum of its proper divisors (9111065309).

45555326515 is an equidigital number, since it uses as much as digits as its factorization.

45555326515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111065308.

The product of its digits is 2250000, while the sum is 46.

The spelling of 45555326515 in words is "forty-five billion, five hundred fifty-five million, three hundred twenty-six thousand, five hundred fifteen".