2126653305117 has 24 divisors (see below), whose sum is σ = 3233653307808. Its totient is φ = 1232842485600.

The previous prime is 2126653305109. The next prime is 2126653305149. The reversal of 2126653305117 is 7115033566212.

It is not a de Polignac number, because 2126653305117 - 2³ = 2126653305109 is a prime.

It is a super-4 number, since 4×2126653305117⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126653305167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60893734 + ... + 60928647.

It is an arithmetic number, because the mean of its divisors is an integer number (134735554492).

Almost surely, 2^{2126653305117} is an apocalyptic number.

It is an amenable number.

2126653305117 is a deficient number, since it is larger than the sum of its proper divisors (1107000002691).

2126653305117 is a wasteful number, since it uses less digits than its factorization.

2126653305117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121822441 (or 121822418 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 2126653305117 in words is "two trillion, one hundred twenty-six billion, six hundred fifty-three million, three hundred five thousand, one hundred seventeen".