15745513801541 has 2 divisors, whose sum is σ = 15745513801542. Its totient is φ = 15745513801540.

The previous prime is 15745513801499. The next prime is 15745513801573. The reversal of 15745513801541 is 14510831554751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15472847070916 + 272666730625 = 3933554^2 + 522175^2 .

It is a cyclic number.

It is not a de Polignac number, because 15745513801541 - 2³⁴ = 15728333932357 is a prime.

It is a super-2 number, since 2×15745513801541² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15745513801541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15745513801141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7872756900770 + 7872756900771.

It is an arithmetic number, because the mean of its divisors is an integer number (7872756900771).

Almost surely, 2^{15745513801541} is an apocalyptic number.

It is an amenable number.

15745513801541 is a deficient number, since it is larger than the sum of its proper divisors (1).

15745513801541 is an equidigital number, since it uses as much as digits as its factorization.

15745513801541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680000, while the sum is 50.

The spelling of 15745513801541 in words is "fifteen trillion, seven hundred forty-five billion, five hundred thirteen million, eight hundred one thousand, five hundred forty-one".