651005056011 has 16 divisors (see below), whose sum is σ = 876884486400. Its totient is φ = 429568830240.

The previous prime is 651005055997. The next prime is 651005056027. The reversal of 651005056011 is 110650500156.

651005056011 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 651005056011 - 2⁵ = 651005055979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 651005056011.

It is not an unprimeable number, because it can be changed into a prime (651005052011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61756 + ... + 1142726.

It is an arithmetic number, because the mean of its divisors is an integer number (54805280400).

Almost surely, 2^651005056011 is an apocalyptic number.

651005056011 is a deficient number, since it is larger than the sum of its proper divisors (225879430389).

651005056011 is a wasteful number, since it uses less digits than its factorization.

651005056011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083026.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 651005056011 its reverse (110650500156), we get a palindrome (761655556167).

The spelling of 651005056011 in words is "six hundred fifty-one billion, five million, fifty-six thousand, eleven".