51105000560050 has 24 divisors (see below), whose sum is σ = 95068007966772. Its totient is φ = 20439267552000.

The previous prime is 51105000560041. The next prime is 51105000560057. The reversal of 51105000560050 is 5006500050115.

It can be written as a sum of positive squares in 6 ways, for example, as 19811303078121 + 31293697481929 = 4450989^2 + 5594077^2 .

It is a super-2 number, since 2×51105000560050² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51105000560057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67939011 + ... + 68687110.

Almost surely, 2^{51105000560050} is an apocalyptic number.

51105000560050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51105000560050 is a deficient number, since it is larger than the sum of its proper divisors (43963007406722).

51105000560050 is a wasteful number, since it uses less digits than its factorization.

51105000560050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136633614 (or 136633609 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 51105000560050 in words is "fifty-one trillion, one hundred five billion, five hundred sixty thousand, fifty".