45111215983 has 4 divisors (see below), whose sum is σ = 45114540040. Its totient is φ = 45107891928.

The previous prime is 45111215953. The next prime is 45111215987. The reversal of 45111215983 is 38951211154.

45111215983 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 45111215983 - 2⁵ = 45111215951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111215987) 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, 1641588 + ... + 1668841.

It is an arithmetic number, because the mean of its divisors is an integer number (11278635010).

Almost surely, 2^45111215983 is an apocalyptic number.

45111215983 is a deficient number, since it is larger than the sum of its proper divisors (3324057).

45111215983 is a wasteful number, since it uses less digits than its factorization.

45111215983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324056.

The product of its digits is 43200, while the sum is 40.

The spelling of 45111215983 in words is "forty-five billion, one hundred eleven million, two hundred fifteen thousand, nine hundred eighty-three".