2126516065432 has 16 divisors (see below), whose sum is σ = 4349691952200. Its totient is φ = 966598211520.

The previous prime is 2126516065397. The next prime is 2126516065433. The reversal of 2126516065432 is 2345606156212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126516065433) 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, 12082477557 + ... + 12082477732.

Almost surely, 2^{2126516065432} is an apocalyptic number.

2126516065432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2126516065432 is an abundant number, since it is smaller than the sum of its proper divisors (2223175886768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126516065432 is a wasteful number, since it uses less digits than its factorization.

2126516065432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164955306 (or 24164955302 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2126516065432 in words is "two trillion, one hundred twenty-six billion, five hundred sixteen million, sixty-five thousand, four hundred thirty-two".