1138357091647 has 2 divisors, whose sum is σ = 1138357091648. Its totient is φ = 1138357091646.

The previous prime is 1138357091581. The next prime is 1138357091747. The reversal of 1138357091647 is 7461907538311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138357091647 - 2²⁷ = 1138222873919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138357091747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569178545823 + 569178545824.

It is an arithmetic number, because the mean of its divisors is an integer number (569178545824).

Almost surely, 2^{1138357091647} is an apocalyptic number.

1138357091647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138357091647 is an equidigital number, since it uses as much as digits as its factorization.

1138357091647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 1138357091647 in words is "one trillion, one hundred thirty-eight billion, three hundred fifty-seven million, ninety-one thousand, six hundred forty-seven".