51110510110 has 48 divisors (see below), whose sum is σ = 101166571296. Its totient is φ = 18577592000.

The previous prime is 51110510063. The next prime is 51110510141. The reversal of 51110510110 is 1101501115.

It is a super-2 number, since 2×51110510110² (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 23 ways as a sum of consecutive naturals, for example, 3272520 + ... + 3288100.

It is an arithmetic number, because the mean of its divisors is an integer number (2107636902).

Almost surely, 2^51110510110 is an apocalyptic number.

51110510110 is a deficient number, since it is larger than the sum of its proper divisors (50056061186).

51110510110 is a wasteful number, since it uses less digits than its factorization.

51110510110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321 (or 18310 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 16.

The spelling of 51110510110 in words is "fifty-one billion, one hundred ten million, five hundred ten thousand, one hundred ten".