51110011110 has 16 divisors (see below), whose sum is σ = 122664026736. Its totient is φ = 13629336288.

The previous prime is 51110011093. The next prime is 51110011111. The reversal of 51110011110 is 1111001115.

It is a happy number.

It is a super-2 number, since 2×51110011110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110011111) 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 7 ways as a sum of consecutive naturals, for example, 851833489 + ... + 851833548.

It is an arithmetic number, because the mean of its divisors is an integer number (7666501671).

Almost surely, 2^51110011110 is an apocalyptic number.

51110011110 is an abundant number, since it is smaller than the sum of its proper divisors (71554015626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51110011110 is a wasteful number, since it uses less digits than its factorization.

51110011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703667047.

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 51110011110 its reverse (1111001115), we get a palindrome (52221012225).

The spelling of 51110011110 in words is "fifty-one billion, one hundred ten million, eleven thousand, one hundred ten".