15650061137 has 2 divisors, whose sum is σ = 15650061138. Its totient is φ = 15650061136.

The previous prime is 15650061109. The next prime is 15650061157. The reversal of 15650061137 is 73116005651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15261143296 + 388917841 = 123536^2 + 19721^2 .

It is a cyclic number.

It is not a de Polignac number, because 15650061137 - 2¹⁸ = 15649798993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15650061097 and 15650061106.

It is not a weakly prime, because it can be changed into another prime (15650061157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7825030568 + 7825030569.

It is an arithmetic number, because the mean of its divisors is an integer number (7825030569).

Almost surely, 2^15650061137 is an apocalyptic number.

It is an amenable number.

15650061137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15650061137 is an equidigital number, since it uses as much as digits as its factorization.

15650061137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

Adding to 15650061137 its reverse (73116005651), we get a palindrome (88766066788).

The spelling of 15650061137 in words is "fifteen billion, six hundred fifty million, sixty-one thousand, one hundred thirty-seven".