51111404140210 has 16 divisors (see below), whose sum is σ = 92028297064536. Its totient is φ = 20438390631168.

The previous prime is 51111404140207. The next prime is 51111404140243. The reversal of 51111404140210 is 1204140411115.

It can be written as a sum of positive squares in 4 ways, for example, as 46819409385841 + 4291994754369 = 6842471^2 + 2071713^2 .

It is a super-2 number, since 2×51111404140210² (a number of 28 digits) contains 22 as substring.

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, 771343329 + ... + 771409588.

Almost surely, 2^{51111404140210} is an apocalyptic number.

51111404140210 is a deficient number, since it is larger than the sum of its proper divisors (40916892924326).

51111404140210 is a wasteful number, since it uses less digits than its factorization.

51111404140210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542756237.

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 51111404140210 its reverse (1204140411115), we get a palindrome (52315544551325).

The spelling of 51111404140210 in words is "fifty-one trillion, one hundred eleven billion, four hundred four million, one hundred forty thousand, two hundred ten".