51215340110 has 16 divisors (see below), whose sum is σ = 100568304432. Its totient is φ = 18623760000.

The previous prime is 51215340101. The next prime is 51215340133. The reversal of 51215340110 is 1104351215.

51215340110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51215340110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232796891 + ... + 232797110.

It is an arithmetic number, because the mean of its divisors is an integer number (6285519027).

Almost surely, 2^51215340110 is an apocalyptic number.

51215340110 is a deficient number, since it is larger than the sum of its proper divisors (49352964322).

51215340110 is a wasteful number, since it uses less digits than its factorization.

51215340110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465594019.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 51215340110 its reverse (1104351215), we get a palindrome (52319691325).

The spelling of 51215340110 in words is "fifty-one billion, two hundred fifteen million, three hundred forty thousand, one hundred ten".