15161420441 has 2 divisors, whose sum is σ = 15161420442. Its totient is φ = 15161420440.

The previous prime is 15161420399. The next prime is 15161420447. The reversal of 15161420441 is 14402416151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14752531600 + 408888841 = 121460^2 + 20221^2 .

It is an emirp because it is prime and its reverse (14402416151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15161420441 - 2⁶ = 15161420377 is a prime.

It is not a weakly prime, because it can be changed into another prime (15161420447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7580710220 + 7580710221.

It is an arithmetic number, because the mean of its divisors is an integer number (7580710221).

Almost surely, 2^15161420441 is an apocalyptic number.

It is an amenable number.

15161420441 is a deficient number, since it is larger than the sum of its proper divisors (1).

15161420441 is an equidigital number, since it uses as much as digits as its factorization.

15161420441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 15161420441 its reverse (14402416151), we get a palindrome (29563836592).

The spelling of 15161420441 in words is "fifteen billion, one hundred sixty-one million, four hundred twenty thousand, four hundred forty-one".