1161160611611 has 72 divisors (see below), whose sum is σ = 1609649470800. Its totient is φ = 829586862720.

The previous prime is 1161160611587. The next prime is 1161160611641.

1161160611611 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1161160611611 - 2¹⁴ = 1161160595227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1161160611641) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11433920 + ... + 11535026.

It is an arithmetic number, because the mean of its divisors is an integer number (22356242650).

Almost surely, 2^{1161160611611} is an apocalyptic number.

1161160611611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1161160611611 is a deficient number, since it is larger than the sum of its proper divisors (448488859189).

1161160611611 is a wasteful number, since it uses less digits than its factorization.

1161160611611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101305 (or 101287 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 32.

It can be divided in two parts, 1161160 and 611611, that added together give a palindrome (1772771).

The spelling of 1161160611611 in words is "one trillion, one hundred sixty-one billion, one hundred sixty million, six hundred eleven thousand, six hundred eleven".