51110011111011 has 8 divisors (see below), whose sum is σ = 69080197666320. Its totient is φ = 33606582648192.

The previous prime is 51110011110959. The next prime is 51110011111043. The reversal of 51110011111011 is 11011111001115.

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

It is not a de Polignac number, because 51110011111011 - 2⁷ = 51110011110883 is a prime.

It is a super-2 number, since 2×51110011111011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110011115011) 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, 116689522866 + ... + 116689523303.

It is an arithmetic number, because the mean of its divisors is an integer number (8635024708290).

Almost surely, 2^{51110011111011} is an apocalyptic number.

51110011111011 is a deficient number, since it is larger than the sum of its proper divisors (17970186555309).

51110011111011 is a wasteful number, since it uses less digits than its factorization.

51110011111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233379046245.

The product of its (nonzero) digits is 5, while the sum is 15.

Adding to 51110011111011 its reverse (11011111001115), we get a palindrome (62121122112126).

The spelling of 51110011111011 in words is "fifty-one trillion, one hundred ten billion, eleven million, one hundred eleven thousand, eleven".