1845131872807 has 8 divisors (see below), whose sum is σ = 1877845438080. Its totient is φ = 1812466312440.

The previous prime is 1845131872777. The next prime is 1845131872811. The reversal of 1845131872807 is 7082781315481.

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 1845131872807 - 2³⁹ = 1295376058919 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 (1845131872897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11923669 + ... + 12077422.

It is an arithmetic number, because the mean of its divisors is an integer number (234730679760).

Almost surely, 2^{1845131872807} is an apocalyptic number.

1845131872807 is a deficient number, since it is larger than the sum of its proper divisors (32713565273).

1845131872807 is a wasteful number, since it uses less digits than its factorization.

1845131872807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002453.

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 1845131872807 in words is "one trillion, eight hundred forty-five billion, one hundred thirty-one million, eight hundred seventy-two thousand, eight hundred seven".