2167815491101 has 16 divisors (see below), whose sum is σ = 2440384092160. Its totient is φ = 1911997301760.

The previous prime is 2167815491089. The next prime is 2167815491111. The reversal of 2167815491101 is 1011945187612.

It is a happy number.

It is not a de Polignac number, because 2167815491101 - 2²³ = 2167807102493 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 (2167815491111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34013700 + ... + 34077373.

It is an arithmetic number, because the mean of its divisors is an integer number (152524005760).

Almost surely, 2^{2167815491101} is an apocalyptic number.

It is an amenable number.

2167815491101 is a deficient number, since it is larger than the sum of its proper divisors (272568601059).

2167815491101 is a wasteful number, since it uses less digits than its factorization.

2167815491101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68091196.

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 2167815491101 in words is "two trillion, one hundred sixty-seven billion, eight hundred fifteen million, four hundred ninety-one thousand, one hundred one".