1112961611 has 2 divisors, whose sum is σ = 1112961612. Its totient is φ = 1112961610.

The previous prime is 1112961581. The next prime is 1112961637. The reversal of 1112961611 is 1161692111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112961611 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1112961511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556480805 + 556480806.

It is an arithmetic number, because the mean of its divisors is an integer number (556480806).

Almost surely, 2^1112961611 is an apocalyptic number.

1112961611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112961611 is an equidigital number, since it uses as much as digits as its factorization.

1112961611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 29.

The square root of 1112961611 is about 33361.0792840999. The cubic root of 1112961611 is about 1036.3188430795.

The spelling of 1112961611 in words is "one billion, one hundred twelve million, nine hundred sixty-one thousand, six hundred eleven".