51414022201678 has 4 divisors (see below), whose sum is σ = 77121033302520. Its totient is φ = 25707011100838.

The previous prime is 51414022201673. The next prime is 51414022201811. The reversal of 51414022201678 is 87610222041415.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51414022201673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12853505550418 + ... + 12853505550421.

It is an arithmetic number, because the mean of its divisors is an integer number (19280258325630).

Almost surely, 2^{51414022201678} is an apocalyptic number.

51414022201678 is a deficient number, since it is larger than the sum of its proper divisors (25707011100842).

51414022201678 is a wasteful number, since it uses less digits than its factorization.

51414022201678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25707011100841.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 51414022201678 in words is "fifty-one trillion, four hundred fourteen billion, twenty-two million, two hundred one thousand, six hundred seventy-eight".