11610666111 has 16 divisors (see below), whose sum is σ = 16902455040. Its totient is φ = 7030845120.

The previous prime is 11610666107. The next prime is 11610666131. The reversal of 11610666111 is 11166601611.

It is not a de Polignac number, because 11610666111 - 2² = 11610666107 is a prime.

It is a super-2 number, since 2×11610666111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11610666131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108091 + ... + 186828.

It is an arithmetic number, because the mean of its divisors is an integer number (1056403440).

Almost surely, 2^11610666111 is an apocalyptic number.

11610666111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11610666111 is a deficient number, since it is larger than the sum of its proper divisors (5291788929).

11610666111 is a wasteful number, since it uses less digits than its factorization.

11610666111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296126.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 11610666111 in words is "eleven billion, six hundred ten million, six hundred sixty-six thousand, one hundred eleven".