11156166110 has 32 divisors (see below), whose sum is σ = 20161262880. Its totient is φ = 4444684288.

The previous prime is 11156166097. The next prime is 11156166121. The reversal of 11156166110 is 1166165111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972649 + ... + 4974891.

It is an arithmetic number, because the mean of its divisors is an integer number (630039465).

Almost surely, 2^11156166110 is an apocalyptic number.

11156166110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11156166110 is a deficient number, since it is larger than the sum of its proper divisors (9005096770).

11156166110 is a wasteful number, since it uses less digits than its factorization.

11156166110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 1080, while the sum is 29.

Subtracting from 11156166110 its reverse (1166165111), we obtain a palindrome (9990000999).

The spelling of 11156166110 in words is "eleven billion, one hundred fifty-six million, one hundred sixty-six thousand, one hundred ten".