44511123961 has 2 divisors, whose sum is σ = 44511123962. Its totient is φ = 44511123960.

The previous prime is 44511123959. The next prime is 44511123967. The reversal of 44511123961 is 16932111544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43856736400 + 654387561 = 209420^2 + 25581^2 .

It is a cyclic number.

It is not a de Polignac number, because 44511123961 - 2¹ = 44511123959 is a prime.

Together with 44511123959, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44511123961.

It is not a weakly prime, because it can be changed into another prime (44511123967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22255561980 + 22255561981.

It is an arithmetic number, because the mean of its divisors is an integer number (22255561981).

Almost surely, 2^44511123961 is an apocalyptic number.

It is an amenable number.

44511123961 is a deficient number, since it is larger than the sum of its proper divisors (1).

44511123961 is an equidigital number, since it uses as much as digits as its factorization.

44511123961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The spelling of 44511123961 in words is "forty-four billion, five hundred eleven million, one hundred twenty-three thousand, nine hundred sixty-one".