99290068801615 has 4 divisors (see below), whose sum is σ = 119148082561944. Its totient is φ = 79432055041288.

The previous prime is 99290068801579. The next prime is 99290068801619. The reversal of 99290068801615 is 51610886009299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99290068801615 - 2¹⁹ = 99290068277327 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 (99290068801619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9929006880157 + ... + 9929006880166.

It is an arithmetic number, because the mean of its divisors is an integer number (29787020640486).

Almost surely, 2^{99290068801615} is an apocalyptic number.

99290068801615 is a deficient number, since it is larger than the sum of its proper divisors (19858013760329).

99290068801615 is a wasteful number, since it uses less digits than its factorization.

99290068801615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19858013760328.

The product of its (nonzero) digits is 16796160, while the sum is 64.

The spelling of 99290068801615 in words is "ninety-nine trillion, two hundred ninety billion, sixty-eight million, eight hundred one thousand, six hundred fifteen".