56111001010 has 16 divisors (see below), whose sum is σ = 101619435456. Its totient is φ = 22306704048.

The previous prime is 56111000969. The next prime is 56111001013. The reversal of 56111001010 is 1010011165.

It is not an unprimeable number, because it can be changed into a prime (56111001013) 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, 17210334 + ... + 17213593.

It is an arithmetic number, because the mean of its divisors is an integer number (6351214716).

Almost surely, 2^56111001010 is an apocalyptic number.

56111001010 is a deficient number, since it is larger than the sum of its proper divisors (45508434446).

56111001010 is a wasteful number, since it uses less digits than its factorization.

56111001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34424097.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 56111001010 its reverse (1010011165), we get a palindrome (57121012175).

The spelling of 56111001010 in words is "fifty-six billion, one hundred eleven million, one thousand, ten".