5451115331069 has 2 divisors, whose sum is σ = 5451115331070. Its totient is φ = 5451115331068.

The previous prime is 5451115331009. The next prime is 5451115331149. The reversal of 5451115331069 is 9601335111545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4928622002500 + 522493328569 = 2220050^2 + 722837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5451115331069 is a prime.

It is a super-2 number, since 2×5451115331069² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451115331009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725557665534 + 2725557665535.

It is an arithmetic number, because the mean of its divisors is an integer number (2725557665535).

Almost surely, 2^{5451115331069} is an apocalyptic number.

It is an amenable number.

5451115331069 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451115331069 is an equidigital number, since it uses as much as digits as its factorization.

5451115331069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 5451115331069 in words is "five trillion, four hundred fifty-one billion, one hundred fifteen million, three hundred thirty-one thousand, sixty-nine".