15445361137 has 2 divisors, whose sum is σ = 15445361138. Its totient is φ = 15445361136.

The previous prime is 15445361131. The next prime is 15445361153. The reversal of 15445361137 is 73116354451.

It is a happy number.

15445361137 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., 15411732736 + 33628401 = 124144^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 15445361137 - 2²⁷ = 15311143409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15445361137.

It is not a weakly prime, because it can be changed into another prime (15445361131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7722680568 + 7722680569.

It is an arithmetic number, because the mean of its divisors is an integer number (7722680569).

Almost surely, 2^15445361137 is an apocalyptic number.

It is an amenable number.

15445361137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15445361137 is an equidigital number, since it uses as much as digits as its factorization.

15445361137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The spelling of 15445361137 in words is "fifteen billion, four hundred forty-five million, three hundred sixty-one thousand, one hundred thirty-seven".