1156589950819 has 2 divisors, whose sum is σ = 1156589950820. Its totient is φ = 1156589950818.

The previous prime is 1156589950811. The next prime is 1156589950829. The reversal of 1156589950819 is 9180599856511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1156589950819 - 2³ = 1156589950811 is a prime.

It is a super-5 number, since 5×1156589950819⁵ (a number of 62 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1156589950811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578294975409 + 578294975410.

It is an arithmetic number, because the mean of its divisors is an integer number (578294975410).

Almost surely, 2^{1156589950819} is an apocalyptic number.

1156589950819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156589950819 is an equidigital number, since it uses as much as digits as its factorization.

1156589950819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992000, while the sum is 67.

The spelling of 1156589950819 in words is "one trillion, one hundred fifty-six billion, five hundred eighty-nine million, nine hundred fifty thousand, eight hundred nineteen".