56155051066 has 16 divisors (see below), whose sum is σ = 89196202944. Its totient is φ = 26423308224.

The previous prime is 56155051061. The next prime is 56155051067. The reversal of 56155051066 is 66015055165.

It is not an unprimeable number, because it can be changed into a prime (56155051061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294961 + ... + 446443.

It is an arithmetic number, because the mean of its divisors is an integer number (5574762684).

Almost surely, 2^56155051066 is an apocalyptic number.

56155051066 is a deficient number, since it is larger than the sum of its proper divisors (33041151878).

56155051066 is a wasteful number, since it uses less digits than its factorization.

56155051066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162405.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 56155051066 in words is "fifty-six billion, one hundred fifty-five million, fifty-one thousand, sixty-six".