137550011617 has 2 divisors, whose sum is σ = 137550011618. Its totient is φ = 137550011616.

The previous prime is 137550011593. The next prime is 137550011623. The reversal of 137550011617 is 716110055731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126056241936 + 11493769681 = 355044^2 + 107209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137550011617 is a prime.

It is not a weakly prime, because it can be changed into another prime (137550011117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68775005808 + 68775005809.

It is an arithmetic number, because the mean of its divisors is an integer number (68775005809).

Almost surely, 2^137550011617 is an apocalyptic number.

It is an amenable number.

137550011617 is a deficient number, since it is larger than the sum of its proper divisors (1).

137550011617 is an equidigital number, since it uses as much as digits as its factorization.

137550011617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 37.

The spelling of 137550011617 in words is "one hundred thirty-seven billion, five hundred fifty million, eleven thousand, six hundred seventeen".