2124561522355 has 8 divisors (see below), whose sum is σ = 2552067397152. Its totient is φ = 1697920171008.

The previous prime is 2124561522337. The next prime is 2124561522359. The reversal of 2124561522355 is 5532251654212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124561522355 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124561522359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216125454 + ... + 216135283.

It is an arithmetic number, because the mean of its divisors is an integer number (319008424644).

Almost surely, 2^{2124561522355} is an apocalyptic number.

2124561522355 is a deficient number, since it is larger than the sum of its proper divisors (427505874797).

2124561522355 is an equidigital number, since it uses as much as digits as its factorization.

2124561522355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432261725.

The product of its digits is 720000, while the sum is 43.

The spelling of 2124561522355 in words is "two trillion, one hundred twenty-four billion, five hundred sixty-one million, five hundred twenty-two thousand, three hundred fifty-five".