51010105011 has 16 divisors (see below), whose sum is σ = 71792582400. Its totient is φ = 32127154848.

The previous prime is 51010104997. The next prime is 51010105039. The reversal of 51010105011 is 11050101015.

It is not a de Polignac number, because 51010105011 - 2¹⁷ = 51009973939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51010104011) 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 15 ways as a sum of consecutive naturals, for example, 1225936 + ... + 1266861.

It is an arithmetic number, because the mean of its divisors is an integer number (4487036400).

Almost surely, 2^51010105011 is an apocalyptic number.

51010105011 is a deficient number, since it is larger than the sum of its proper divisors (20782477389).

51010105011 is a wasteful number, since it uses less digits than its factorization.

51010105011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493178.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 51010105011 its reverse (11050101015), we get a palindrome (62060206026).

The spelling of 51010105011 in words is "fifty-one billion, ten million, one hundred five thousand, eleven".