1158070180649 has 2 divisors, whose sum is σ = 1158070180650. Its totient is φ = 1158070180648.

The previous prime is 1158070180643. The next prime is 1158070180723. The reversal of 1158070180649 is 9460810708511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012905370624 + 145164810025 = 1006432^2 + 381005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158070180649 - 2³⁶ = 1089350703913 is a prime.

It is a super-2 number, since 2×1158070180649² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158070180597 and 1158070180606.

It is not a weakly prime, because it can be changed into another prime (1158070180643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579035090324 + 579035090325.

It is an arithmetic number, because the mean of its divisors is an integer number (579035090325).

Almost surely, 2^{1158070180649} is an apocalyptic number.

It is an amenable number.

1158070180649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158070180649 is an equidigital number, since it uses as much as digits as its factorization.

1158070180649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 1158070180649 in words is "one trillion, one hundred fifty-eight billion, seventy million, one hundred eighty thousand, six hundred forty-nine".