1157055021163 has 2 divisors, whose sum is σ = 1157055021164. Its totient is φ = 1157055021162.

The previous prime is 1157055021121. The next prime is 1157055021169. The reversal of 1157055021163 is 3611205507511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1157055021163 - 2²¹ = 1157052924011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157055021169) 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, 578527510581 + 578527510582.

It is an arithmetic number, because the mean of its divisors is an integer number (578527510582).

Almost surely, 2^{1157055021163} is an apocalyptic number.

1157055021163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157055021163 is an equidigital number, since it uses as much as digits as its factorization.

1157055021163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 1157055021163 in words is "one trillion, one hundred fifty-seven billion, fifty-five million, twenty-one thousand, one hundred sixty-three".