1162553615123 has 2 divisors, whose sum is σ = 1162553615124. Its totient is φ = 1162553615122.

The previous prime is 1162553615077. The next prime is 1162553615177. The reversal of 1162553615123 is 3215163552611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162553615123 - 2⁶ = 1162553615059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162553615183) 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, 581276807561 + 581276807562.

It is an arithmetic number, because the mean of its divisors is an integer number (581276807562).

Almost surely, 2^{1162553615123} is an apocalyptic number.

1162553615123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162553615123 is an equidigital number, since it uses as much as digits as its factorization.

1162553615123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The spelling of 1162553615123 in words is "one trillion, one hundred sixty-two billion, five hundred fifty-three million, six hundred fifteen thousand, one hundred twenty-three".