2117072115501 has 32 divisors (see below), whose sum is σ = 3415917231360. Its totient is φ = 1138547736576.

The previous prime is 2117072115493. The next prime is 2117072115523. The reversal of 2117072115501 is 1055112707112.

It is not a de Polignac number, because 2117072115501 - 2³ = 2117072115493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117072114501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9997245 + ... + 10206813.

It is an arithmetic number, because the mean of its divisors is an integer number (106747413480).

Almost surely, 2^{2117072115501} is an apocalyptic number.

2117072115501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2117072115501 is a deficient number, since it is larger than the sum of its proper divisors (1298845115859).

2117072115501 is a wasteful number, since it uses less digits than its factorization.

2117072115501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237893.

The product of its (nonzero) digits is 4900, while the sum is 33.

The spelling of 2117072115501 in words is "two trillion, one hundred seventeen billion, seventy-two million, one hundred fifteen thousand, five hundred one".