11156655066 has 16 divisors (see below), whose sum is σ = 22916373024. Its totient is φ = 3618374544.

The previous prime is 11156655061. The next prime is 11156655071. The reversal of 11156655066 is 66055665111.

It is an interprime number because it is at equal distance from previous prime (11156655061) and next prime (11156655071).

It is not an unprimeable number, because it can be changed into a prime (11156655061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25127380 + ... + 25127823.

It is an arithmetic number, because the mean of its divisors is an integer number (1432273314).

Almost surely, 2^11156655066 is an apocalyptic number.

11156655066 is an abundant number, since it is smaller than the sum of its proper divisors (11759717958).

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

11156655066 is a wasteful number, since it uses less digits than its factorization.

11156655066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255245.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 11156655066 in words is "eleven billion, one hundred fifty-six million, six hundred fifty-five thousand, sixty-six".