9995017165055 has 8 divisors (see below), whose sum is σ = 12916637567232. Its totient is φ = 7380935752608.

The previous prime is 9995017165051. The next prime is 9995017165093. The reversal of 9995017165055 is 5505617105999.

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 9995017165055 - 2² = 9995017165051 is a prime.

It is a super-2 number, since 2×9995017165055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995017165051) 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, 76884747359 + ... + 76884747488.

It is an arithmetic number, because the mean of its divisors is an integer number (1614579695904).

Almost surely, 2^{9995017165055} is an apocalyptic number.

9995017165055 is a deficient number, since it is larger than the sum of its proper divisors (2921620402177).

9995017165055 is a wasteful number, since it uses less digits than its factorization.

9995017165055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153769494865.

The product of its (nonzero) digits is 19136250, while the sum is 62.

The spelling of 9995017165055 in words is "nine trillion, nine hundred ninety-five billion, seventeen million, one hundred sixty-five thousand, fifty-five".