51551010110 has 64 divisors (see below), whose sum is σ = 98224164864. Its totient is φ = 19448121600.

The previous prime is 51551010107. The next prime is 51551010113. The reversal of 51551010110 is 1101015515.

It is an interprime number because it is at equal distance from previous prime (51551010107) and next prime (51551010113).

It is a super-2 number, since 2×51551010110² (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 (51551010113) 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 31 ways as a sum of consecutive naturals, for example, 18389969 + ... + 18392771.

It is an arithmetic number, because the mean of its divisors is an integer number (1534752576).

Almost surely, 2^51551010110 is an apocalyptic number.

51551010110 is a deficient number, since it is larger than the sum of its proper divisors (46673154754).

51551010110 is a wasteful number, since it uses less digits than its factorization.

51551010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 51551010110 its reverse (1101015515), we get a palindrome (52652025625).

The spelling of 51551010110 in words is "fifty-one billion, five hundred fifty-one million, ten thousand, one hundred ten".