1149442315057 has 2 divisors, whose sum is σ = 1149442315058. Its totient is φ = 1149442315056.

The previous prime is 1149442315033. The next prime is 1149442315061. The reversal of 1149442315057 is 7505132449411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003444961841 + 145997353216 = 1001721^2 + 382096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149442315057 - 2³¹ = 1147294831409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149442314998 and 1149442315016.

It is not a weakly prime, because it can be changed into another prime (1149442315657) 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, 574721157528 + 574721157529.

It is an arithmetic number, because the mean of its divisors is an integer number (574721157529).

Almost surely, 2^{1149442315057} is an apocalyptic number.

It is an amenable number.

1149442315057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149442315057 is an equidigital number, since it uses as much as digits as its factorization.

1149442315057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 1149442315057 in words is "one trillion, one hundred forty-nine billion, four hundred forty-two million, three hundred fifteen thousand, fifty-seven".