995517081405 has 128 divisors (see below), whose sum is σ = 2266150440960. Its totient is φ = 402539569920.

The previous prime is 995517081379. The next prime is 995517081421. The reversal of 995517081405 is 504180715599.

It is a happy number.

995517081405 is a `hidden beast` number, since 9 + 9 + 5 + 517 + 0 + 81 + 40 + 5 = 666.

It is not a de Polignac number, because 995517081405 - 2⁹ = 995517080893 is a prime.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 909559 + ... + 1678788.

It is an arithmetic number, because the mean of its divisors is an integer number (17704300320).

Almost surely, 2^995517081405 is an apocalyptic number.

It is an amenable number.

995517081405 is an abundant number, since it is smaller than the sum of its proper divisors (1270633359555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

995517081405 is a wasteful number, since it uses less digits than its factorization.

995517081405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588416 (or 2588410 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 54.

The spelling of 995517081405 in words is "nine hundred ninety-five billion, five hundred seventeen million, eighty-one thousand, four hundred five".