1117559648537 has 2 divisors, whose sum is σ = 1117559648538. Its totient is φ = 1117559648536.

The previous prime is 1117559648531. The next prime is 1117559648563. The reversal of 1117559648537 is 7358469557111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1071496187161 + 46063461376 = 1035131^2 + 214624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117559648537 - 2⁸ = 1117559648281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1117559648537.

It is not a weakly prime, because it can be changed into another prime (1117559648531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558779824268 + 558779824269.

It is an arithmetic number, because the mean of its divisors is an integer number (558779824269).

Almost surely, 2^{1117559648537} is an apocalyptic number.

It is an amenable number.

1117559648537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117559648537 is an equidigital number, since it uses as much as digits as its factorization.

1117559648537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752000, while the sum is 62.

The spelling of 1117559648537 in words is "one trillion, one hundred seventeen billion, five hundred fifty-nine million, six hundred forty-eight thousand, five hundred thirty-seven".