2121361325496 has 96 divisors (see below), whose sum is σ = 6574358175840. Its totient is φ = 605342640384.

The previous prime is 2121361325443. The next prime is 2121361325513. The reversal of 2121361325496 is 6945231631212.

2121361325496 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 3 + 613 + 25 + 4 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2238871 + ... + 3042246.

It is an arithmetic number, because the mean of its divisors is an integer number (68482897665).

Almost surely, 2^{2121361325496} is an apocalyptic number.

It is an amenable number.

2121361325496 is an abundant number, since it is smaller than the sum of its proper divisors (4452996850344).

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

2121361325496 is a wasteful number, since it uses less digits than its factorization.

2121361325496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281933 (or 5281926 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 2121361325496 in words is "two trillion, one hundred twenty-one billion, three hundred sixty-one million, three hundred twenty-five thousand, four hundred ninety-six".