2120126350553 has 2 divisors, whose sum is σ = 2120126350554. Its totient is φ = 2120126350552.

The previous prime is 2120126350547. The next prime is 2120126350571. The reversal of 2120126350553 is 3550536210212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1931677463104 + 188448887449 = 1389848^2 + 434107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120126350553 - 2²² = 2120122156249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120126850553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060063175276 + 1060063175277.

It is an arithmetic number, because the mean of its divisors is an integer number (1060063175277).

Almost surely, 2^{2120126350553} is an apocalyptic number.

It is an amenable number.

2120126350553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120126350553 is an equidigital number, since it uses as much as digits as its factorization.

2120126350553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 2120126350553 in words is "two trillion, one hundred twenty billion, one hundred twenty-six million, three hundred fifty thousand, five hundred fifty-three".