2124205544501 has 2 divisors, whose sum is σ = 2124205544502. Its totient is φ = 2124205544500.

The previous prime is 2124205544441. The next prime is 2124205544651. The reversal of 2124205544501 is 1054455024212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1843227099025 + 280978445476 = 1357655^2 + 530074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124205544501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124205544801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062102772250 + 1062102772251.

It is an arithmetic number, because the mean of its divisors is an integer number (1062102772251).

Almost surely, 2^{2124205544501} is an apocalyptic number.

It is an amenable number.

2124205544501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124205544501 is an equidigital number, since it uses as much as digits as its factorization.

2124205544501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 2124205544501 in words is "two trillion, one hundred twenty-four billion, two hundred five million, five hundred forty-four thousand, five hundred one".