4235134551121 has 2 divisors, whose sum is σ = 4235134551122. Its totient is φ = 4235134551120.

The previous prime is 4235134551091. The next prime is 4235134551169. The reversal of 4235134551121 is 1211554315324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3093602570496 + 1141531980625 = 1758864^2 + 1068425^2 .

It is a cyclic number.

It is not a de Polignac number, because 4235134551121 - 2¹³ = 4235134542929 is a prime.

It is not a weakly prime, because it can be changed into another prime (4235134555121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117567275560 + 2117567275561.

It is an arithmetic number, because the mean of its divisors is an integer number (2117567275561).

Almost surely, 2^{4235134551121} is an apocalyptic number.

It is an amenable number.

4235134551121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4235134551121 is an equidigital number, since it uses as much as digits as its factorization.

4235134551121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 37.

Adding to 4235134551121 its reverse (1211554315324), we get a palindrome (5446688866445).

The spelling of 4235134551121 in words is "four trillion, two hundred thirty-five billion, one hundred thirty-four million, five hundred fifty-one thousand, one hundred twenty-one".