45478409011 has 4 divisors (see below), whose sum is σ = 51975324592. Its totient is φ = 38981493432.

The previous prime is 45478408999. The next prime is 45478409023. The reversal of 45478409011 is 11090487454.

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

It is an interprime number because it is at equal distance from previous prime (45478408999) and next prime (45478409023).

It is not a de Polignac number, because 45478409011 - 2⁹ = 45478408499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45478409111) 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, 3248457780 + ... + 3248457793.

It is an arithmetic number, because the mean of its divisors is an integer number (12993831148).

Almost surely, 2^45478409011 is an apocalyptic number.

45478409011 is a deficient number, since it is larger than the sum of its proper divisors (6496915581).

45478409011 is an equidigital number, since it uses as much as digits as its factorization.

45478409011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496915580.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 45478409011 in words is "forty-five billion, four hundred seventy-eight million, four hundred nine thousand, eleven".