1157144379793 has 2 divisors, whose sum is σ = 1157144379794. Its totient is φ = 1157144379792.

The previous prime is 1157144379739. The next prime is 1157144379841. The reversal of 1157144379793 is 3979734417511.

Together with previous prime (1157144379739) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637032248449 + 520112131344 = 798143^2 + 721188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157144379793 - 2¹³ = 1157144371601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157144379493) 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, 578572189896 + 578572189897.

It is an arithmetic number, because the mean of its divisors is an integer number (578572189897).

Almost surely, 2^{1157144379793} is an apocalyptic number.

It is an amenable number.

1157144379793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157144379793 is an equidigital number, since it uses as much as digits as its factorization.

1157144379793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20003760, while the sum is 61.

The spelling of 1157144379793 in words is "one trillion, one hundred fifty-seven billion, one hundred forty-four million, three hundred seventy-nine thousand, seven hundred ninety-three".