15158735040641 has 2 divisors, whose sum is σ = 15158735040642. Its totient is φ = 15158735040640.

The previous prime is 15158735040637. The next prime is 15158735040661. The reversal of 15158735040641 is 14604053785151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13835535748225 + 1323199292416 = 3719615^2 + 1150304^2 .

It is a cyclic number.

It is not a de Polignac number, because 15158735040641 - 2² = 15158735040637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15158735040641.

It is not a weakly prime, because it can be changed into another prime (15158735040661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7579367520320 + 7579367520321.

It is an arithmetic number, because the mean of its divisors is an integer number (7579367520321).

Almost surely, 2^{15158735040641} is an apocalyptic number.

It is an amenable number.

15158735040641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15158735040641 is an equidigital number, since it uses as much as digits as its factorization.

15158735040641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 15158735040641 in words is "fifteen trillion, one hundred fifty-eight billion, seven hundred thirty-five million, forty thousand, six hundred forty-one".