51412248942144 has 56 divisors (see below), whose sum is σ = 137375056321728. Its totient is φ = 16967738918400.

The previous prime is 51412248942143. The next prime is 51412248942157. The reversal of 51412248942144 is 44124984221415.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51412248942143) 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, 1325585212 + ... + 1325623995.

Almost surely, 2^{51412248942144} is an apocalyptic number.

It is an amenable number.

51412248942144 is an abundant number, since it is smaller than the sum of its proper divisors (85962807379584).

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

51412248942144 is a wasteful number, since it uses less digits than its factorization.

51412248942144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651209323 (or 2651209313 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The spelling of 51412248942144 in words is "fifty-one trillion, four hundred twelve billion, two hundred forty-eight million, nine hundred forty-two thousand, one hundred forty-four".