44120315501261 has 2 divisors, whose sum is σ = 44120315501262. Its totient is φ = 44120315501260.

The previous prime is 44120315501257. The next prime is 44120315501369. The reversal of 44120315501261 is 16210551302144.

It is a happy number.

44120315501261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44046185092900 + 74130408361 = 6636730^2 + 272269^2 .

It is a cyclic number.

It is not a de Polignac number, because 44120315501261 - 2² = 44120315501257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44120315531261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060157750630 + 22060157750631.

It is an arithmetic number, because the mean of its divisors is an integer number (22060157750631).

Almost surely, 2^{44120315501261} is an apocalyptic number.

It is an amenable number.

44120315501261 is a deficient number, since it is larger than the sum of its proper divisors (1).

44120315501261 is an equidigital number, since it uses as much as digits as its factorization.

44120315501261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 44120315501261 in words is "forty-four trillion, one hundred twenty billion, three hundred fifteen million, five hundred one thousand, two hundred sixty-one".