45518137685 has 8 divisors (see below), whose sum is σ = 54628566360. Its totient is φ = 36409976064.

The previous prime is 45518137667. The next prime is 45518137723. The reversal of 45518137685 is 58673181554.

45518137685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1990408996 + 43527728689 = 44614^2 + 208633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45518137685 - 2¹⁰ = 45518136661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522272 + ... + 603161.

It is an arithmetic number, because the mean of its divisors is an integer number (6828570795).

Almost surely, 2^45518137685 is an apocalyptic number.

It is an amenable number.

45518137685 is a deficient number, since it is larger than the sum of its proper divisors (9110428675).

45518137685 is a wasteful number, since it uses less digits than its factorization.

45518137685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133527.

The product of its digits is 4032000, while the sum is 53.

The spelling of 45518137685 in words is "forty-five billion, five hundred eighteen million, one hundred thirty-seven thousand, six hundred eighty-five".