15061689361 has 2 divisors, whose sum is σ = 15061689362. Its totient is φ = 15061689360.

The previous prime is 15061689353. The next prime is 15061689413. The reversal of 15061689361 is 16398616051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9054664336 + 6007025025 = 95156^2 + 77505^2 .

It is a cyclic number.

It is not a de Polignac number, because 15061689361 - 2³ = 15061689353 is a prime.

It is not a weakly prime, because it can be changed into another prime (15061689341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530844680 + 7530844681.

It is an arithmetic number, because the mean of its divisors is an integer number (7530844681).

Almost surely, 2^15061689361 is an apocalyptic number.

It is an amenable number.

15061689361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15061689361 is an equidigital number, since it uses as much as digits as its factorization.

15061689361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 15061689361 in words is "fifteen billion, sixty-one million, six hundred eighty-nine thousand, three hundred sixty-one".