51110500011 has 8 divisors (see below), whose sum is σ = 68151433104. Its totient is φ = 34071616800.

The previous prime is 51110500003. The next prime is 51110500013. The reversal of 51110500011 is 11000501115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51110500011 - 2³ = 51110500003 is a prime.

It is a super-2 number, since 2×51110500011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110500013) 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, 453316 + ... + 554721.

It is an arithmetic number, because the mean of its divisors is an integer number (8518929138).

Almost surely, 2^51110500011 is an apocalyptic number.

51110500011 is a deficient number, since it is larger than the sum of its proper divisors (17040933093).

51110500011 is a wasteful number, since it uses less digits than its factorization.

51110500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024941.

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

The spelling of 51110500011 in words is "fifty-one billion, one hundred ten million, five hundred thousand, eleven".