1158275604979 has 2 divisors, whose sum is σ = 1158275604980. Its totient is φ = 1158275604978.

The previous prime is 1158275604851. The next prime is 1158275604991. The reversal of 1158275604979 is 9794065728511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1158275604979 - 2⁷ = 1158275604851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1158275604979.

It is not a weakly prime, because it can be changed into another prime (1158275604379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579137802489 + 579137802490.

It is an arithmetic number, because the mean of its divisors is an integer number (579137802490).

Almost surely, 2^{1158275604979} is an apocalyptic number.

1158275604979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158275604979 is an equidigital number, since it uses as much as digits as its factorization.

1158275604979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 1158275604979 in words is "one trillion, one hundred fifty-eight billion, two hundred seventy-five million, six hundred four thousand, nine hundred seventy-nine".