45501273215 has 4 divisors (see below), whose sum is σ = 54601527864. Its totient is φ = 36401018568.

The previous prime is 45501273199. The next prime is 45501273241. The reversal of 45501273215 is 51237210554.

45501273215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45501273215 - 2⁴ = 45501273199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4550127317 + ... + 4550127326.

It is an arithmetic number, because the mean of its divisors is an integer number (13650381966).

Almost surely, 2^45501273215 is an apocalyptic number.

45501273215 is a deficient number, since it is larger than the sum of its proper divisors (9100254649).

45501273215 is an equidigital number, since it uses as much as digits as its factorization.

45501273215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100254648.

The product of its (nonzero) digits is 42000, while the sum is 35.

Adding to 45501273215 its reverse (51237210554), we get a palindrome (96738483769).

The spelling of 45501273215 in words is "forty-five billion, five hundred one million, two hundred seventy-three thousand, two hundred fifteen".