115611111066 has 32 divisors (see below), whose sum is σ = 254739888576. Its totient is φ = 34686800000.

The previous prime is 115611110969. The next prime is 115611111067. The reversal of 115611111066 is 660111116511.

It is not an unprimeable number, because it can be changed into a prime (115611111067) 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, 8665035 + ... + 8678366.

It is an arithmetic number, because the mean of its divisors is an integer number (7960621518).

Almost surely, 2^115611111066 is an apocalyptic number.

115611111066 is an abundant number, since it is smaller than the sum of its proper divisors (139128777510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115611111066 is a wasteful number, since it uses less digits than its factorization.

115611111066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343518.

The product of its (nonzero) digits is 1080, while the sum is 30.

Adding to 115611111066 its reverse (660111116511), we get a palindrome (775722227577).

Subtracting 115611111066 from its reverse (660111116511), we obtain a palindrome (544500005445).

The spelling of 115611111066 in words is "one hundred fifteen billion, six hundred eleven million, one hundred eleven thousand, sixty-six".