656051506011 has 24 divisors (see below), whose sum is σ = 1033814738736. Its totient is φ = 397592893440.

The previous prime is 656051505961. The next prime is 656051506013. The reversal of 656051506011 is 110605150656.

It is not a de Polignac number, because 656051506011 - 2⁶ = 656051505947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (656051506013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3149551 + ... + 3351383.

It is an arithmetic number, because the mean of its divisors is an integer number (43075614114).

Almost surely, 2^656051506011 is an apocalyptic number.

656051506011 is a deficient number, since it is larger than the sum of its proper divisors (377763232725).

656051506011 is a wasteful number, since it uses less digits than its factorization.

656051506011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234683 (or 234680 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 656051506011 its reverse (110605150656), we get a palindrome (766656656667).

The spelling of 656051506011 in words is "six hundred fifty-six billion, fifty-one million, five hundred six thousand, eleven".