1161111674 has 4 divisors (see below), whose sum is σ = 1741667514. Its totient is φ = 580555836.

The previous prime is 1161111673. The next prime is 1161111697. The reversal of 1161111674 is 4761111611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4761111611 = 73 ⋅65220707.

It can be written as a sum of positive squares in only one way, i.e., 1098591025 + 62520649 = 33145^2 + 7907^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1161111673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290277917 + ... + 290277920.

Almost surely, 2^1161111674 is an apocalyptic number.

1161111674 is a deficient number, since it is larger than the sum of its proper divisors (580555840).

1161111674 is an equidigital number, since it uses as much as digits as its factorization.

1161111674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580555839.

The product of its digits is 1008, while the sum is 29.

The square root of 1161111674 is about 34075.0887599724. The cubic root of 1161111674 is about 1051.0531154400.

The spelling of 1161111674 in words is "one billion, one hundred sixty-one million, one hundred eleven thousand, six hundred seventy-four".