45078329640961 has 4 divisors (see below), whose sum is σ = 45130929793092. Its totient is φ = 45025729488832.

The previous prime is 45078329640959. The next prime is 45078329640977. The reversal of 45078329640961 is 16904692387054.

45078329640961 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 can be written as a sum of positive squares in 2 ways, for example, as 16722374490000 + 28355955150961 = 4089300^2 + 5325031^2 .

It is a cyclic number.

It is not a de Polignac number, because 45078329640961 - 2¹ = 45078329640959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45078329640893 and 45078329640902.

It is not an unprimeable number, because it can be changed into a prime (45078329640941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26300074780 + ... + 26300076493.

It is an arithmetic number, because the mean of its divisors is an integer number (11282732448273).

It is a 1-persistent number, because it is pandigital, but 2⋅45078329640961 = 90156659281922 is not.

Almost surely, 2^{45078329640961} is an apocalyptic number.

It is an amenable number.

45078329640961 is a deficient number, since it is larger than the sum of its proper divisors (52600152131).

45078329640961 is an equidigital number, since it uses as much as digits as its factorization.

45078329640961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52600152130.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 45078329640961 in words is "forty-five trillion, seventy-eight billion, three hundred twenty-nine million, six hundred forty thousand, nine hundred sixty-one".