51411312525102 has 16 divisors (see below), whose sum is σ = 102829101440592. Its totient is φ = 17136024776640.

The previous prime is 51411312525037. The next prime is 51411312525109. The reversal of 51411312525102 is 20152521311415.

It is a super-2 number, since 2×51411312525102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411312525109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269746399 + ... + 269936922.

It is an arithmetic number, because the mean of its divisors is an integer number (6426818840037).

Almost surely, 2^{51411312525102} is an apocalyptic number.

51411312525102 is an abundant number, since it is smaller than the sum of its proper divisors (51417788915490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51411312525102 is a wasteful number, since it uses less digits than its factorization.

51411312525102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539699203.

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 51411312525102 its reverse (20152521311415), we get a palindrome (71563833836517).

The spelling of 51411312525102 in words is "fifty-one trillion, four hundred eleven billion, three hundred twelve million, five hundred twenty-five thousand, one hundred two".