3081685513507 has 8 divisors (see below), whose sum is σ = 3148945189632. Its totient is φ = 3015088494600.

The previous prime is 3081685513481. The next prime is 3081685513519. The reversal of 3081685513507 is 7053155861803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081685513507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081685513537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165654903 + ... + 165673504.

It is an arithmetic number, because the mean of its divisors is an integer number (393618148704).

Almost surely, 2^{3081685513507} is an apocalyptic number.

3081685513507 is a deficient number, since it is larger than the sum of its proper divisors (67259676125).

3081685513507 is a wasteful number, since it uses less digits than its factorization.

3081685513507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331328609.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 3081685513507 in words is "three trillion, eighty-one billion, six hundred eighty-five million, five hundred thirteen thousand, five hundred seven".