4451155236961 has 2 divisors, whose sum is σ = 4451155236962. Its totient is φ = 4451155236960.

The previous prime is 4451155236839. The next prime is 4451155236977. The reversal of 4451155236961 is 1696325511544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4445919846225 + 5235390736 = 2108535^2 + 72356^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451155236961 - 2¹¹ = 4451155234913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4451155236899 and 4451155236908.

It is not a weakly prime, because it can be changed into another prime (4451158236961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225577618480 + 2225577618481.

It is an arithmetic number, because the mean of its divisors is an integer number (2225577618481).

Almost surely, 2^{4451155236961} is an apocalyptic number.

It is an amenable number.

4451155236961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451155236961 is an equidigital number, since it uses as much as digits as its factorization.

4451155236961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 52.

The spelling of 4451155236961 in words is "four trillion, four hundred fifty-one billion, one hundred fifty-five million, two hundred thirty-six thousand, nine hundred sixty-one".