51411621747468 has 24 divisors (see below), whose sum is σ = 120021251838768. Its totient is φ = 17128521378496.

The previous prime is 51411621747463. The next prime is 51411621747581. The reversal of 51411621747468 is 86474712611415.

51411621747468 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 2×51411621747468² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51411621747463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085709171 + ... + 1085756522.

It is an arithmetic number, because the mean of its divisors is an integer number (5000885493282).

Almost surely, 2^{51411621747468} is an apocalyptic number.

It is an amenable number.

51411621747468 is an abundant number, since it is smaller than the sum of its proper divisors (68609630091300).

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

51411621747468 is a wasteful number, since it uses less digits than its factorization.

51411621747468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171467673 (or 2171467671 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 51411621747468 in words is "fifty-one trillion, four hundred eleven billion, six hundred twenty-one million, seven hundred forty-seven thousand, four hundred sixty-eight".