15601141 has 2 divisors, whose sum is σ = 15601142. Its totient is φ = 15601140.

The previous prime is 15601127. The next prime is 15601163. The reversal of 15601141 is 14110651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 6022116 = 3095^2 + 2454^2 .

It is an emirp because it is prime and its reverse (14110651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15601141 - 2¹⁵ = 15568373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15601171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7800570 + 7800571.

It is an arithmetic number, because the mean of its divisors is an integer number (7800571).

Almost surely, 2^15601141 is an apocalyptic number.

It is an amenable number.

15601141 is a deficient number, since it is larger than the sum of its proper divisors (1).

15601141 is an equidigital number, since it uses as much as digits as its factorization.

15601141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 15601141 is about 3949.8279709375. The cubic root of 15601141 is about 249.8726871768.

Adding to 15601141 its reverse (14110651), we get a palindrome (29711792).

It can be divided in two parts, 1560 and 1141, that added together give a triangular number (2701 = T₇₃).

The spelling of 15601141 in words is "fifteen million, six hundred one thousand, one hundred forty-one".