2126589308056 has 8 divisors (see below), whose sum is σ = 3987354952620. Its totient is φ = 1063294654024.

The previous prime is 2126589308047. The next prime is 2126589308057. The reversal of 2126589308056 is 6508039856212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2126589307988 and 2126589308006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126589308057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132911831746 + ... + 132911831761.

Almost surely, 2^{2126589308056} is an apocalyptic number.

It is an amenable number.

2126589308056 is a deficient number, since it is larger than the sum of its proper divisors (1860765644564).

2126589308056 is a wasteful number, since it uses less digits than its factorization.

2126589308056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265823663513 (or 265823663509 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 2126589308056 in words is "two trillion, one hundred twenty-six billion, five hundred eighty-nine million, three hundred eight thousand, fifty-six".