1611501113 has 2 divisors, whose sum is σ = 1611501114. Its totient is φ = 1611501112.

The previous prime is 1611501107. The next prime is 1611501119. The reversal of 1611501113 is 3111051161.

It is a balanced prime because it is at equal distance from previous prime (1611501107) and next prime (1611501119).

It can be written as a sum of positive squares in only one way, i.e., 1163628544 + 447872569 = 34112^2 + 21163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1611501113 - 2¹⁰ = 1611500089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1611501119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805750556 + 805750557.

It is an arithmetic number, because the mean of its divisors is an integer number (805750557).

Almost surely, 2^1611501113 is an apocalyptic number.

It is an amenable number.

1611501113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611501113 is an equidigital number, since it uses as much as digits as its factorization.

1611501113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 1611501113 is about 40143.5064861056. The cubic root of 1611501113 is about 1172.4028619766.

Adding to 1611501113 its reverse (3111051161), we get a palindrome (4722552274).

The spelling of 1611501113 in words is "one billion, six hundred eleven million, five hundred one thousand, one hundred thirteen".