44511111457 has 2 divisors, whose sum is σ = 44511111458. Its totient is φ = 44511111456.

The previous prime is 44511111443. The next prime is 44511111499. The reversal of 44511111457 is 75411111544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44472061456 + 39050001 = 210884^2 + 6249^2 .

It is a cyclic number.

It is not a de Polignac number, because 44511111457 - 2⁷ = 44511111329 is a prime.

It is not a weakly prime, because it can be changed into another prime (44511111427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22255555728 + 22255555729.

It is an arithmetic number, because the mean of its divisors is an integer number (22255555729).

Almost surely, 2^44511111457 is an apocalyptic number.

It is an amenable number.

44511111457 is a deficient number, since it is larger than the sum of its proper divisors (1).

44511111457 is an equidigital number, since it uses as much as digits as its factorization.

44511111457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 34.

The spelling of 44511111457 in words is "forty-four billion, five hundred eleven million, one hundred eleven thousand, four hundred fifty-seven".