1155012007057 has 2 divisors, whose sum is σ = 1155012007058. Its totient is φ = 1155012007056.

The previous prime is 1155012006997. The next prime is 1155012007069. The reversal of 1155012007057 is 7507002105511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1010459206656 + 144552800401 = 1005216^2 + 380201^2 .

It is an emirp because it is prime and its reverse (7507002105511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1155012007057 - 2³⁵ = 1120652268689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155012007157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577506003528 + 577506003529.

It is an arithmetic number, because the mean of its divisors is an integer number (577506003529).

Almost surely, 2^{1155012007057} is an apocalyptic number.

It is an amenable number.

1155012007057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155012007057 is an equidigital number, since it uses as much as digits as its factorization.

1155012007057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12250, while the sum is 34.

The spelling of 1155012007057 in words is "one trillion, one hundred fifty-five billion, twelve million, seven thousand, fifty-seven".