1159517641 has 2 divisors, whose sum is σ = 1159517642. Its totient is φ = 1159517640.

The previous prime is 1159517633. The next prime is 1159517663. The reversal of 1159517641 is 1467159511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1113223225 + 46294416 = 33365^2 + 6804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159517641 - 2³ = 1159517633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1159517594 and 1159517603.

It is not a weakly prime, because it can be changed into another prime (1159517621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579758820 + 579758821.

It is an arithmetic number, because the mean of its divisors is an integer number (579758821).

Almost surely, 2^1159517641 is an apocalyptic number.

It is an amenable number.

1159517641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159517641 is an equidigital number, since it uses as much as digits as its factorization.

1159517641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 40.

The square root of 1159517641 is about 34051.6907216073. The cubic root of 1159517641 is about 1050.5719154914.

The spelling of 1159517641 in words is "one billion, one hundred fifty-nine million, five hundred seventeen thousand, six hundred forty-one".