15319045541 has 2 divisors, whose sum is σ = 15319045542. Its totient is φ = 15319045540.

The previous prime is 15319045531. The next prime is 15319045561. The reversal of 15319045541 is 14554091351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14919645316 + 399400225 = 122146^2 + 19985^2 .

It is a cyclic number.

It is not a de Polignac number, because 15319045541 - 2⁶ = 15319045477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15319045495 and 15319045504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15319045531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7659522770 + 7659522771.

It is an arithmetic number, because the mean of its divisors is an integer number (7659522771).

Almost surely, 2^15319045541 is an apocalyptic number.

It is an amenable number.

15319045541 is a deficient number, since it is larger than the sum of its proper divisors (1).

15319045541 is an equidigital number, since it uses as much as digits as its factorization.

15319045541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 15319045541 in words is "fifteen billion, three hundred nineteen million, forty-five thousand, five hundred forty-one".