51162791214 has 8 divisors (see below), whose sum is σ = 102325582440. Its totient is φ = 17054263736.

The previous prime is 51162791213. The next prime is 51162791231. The reversal of 51162791214 is 41219726115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

51162791214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51162791213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263565929 + ... + 4263565940.

It is an arithmetic number, because the mean of its divisors is an integer number (12790697805).

Almost surely, 2^51162791214 is an apocalyptic number.

51162791214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51162791214 is a wasteful number, since it uses less digits than its factorization.

51162791214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527131874.

The product of its digits is 30240, while the sum is 39.

The spelling of 51162791214 in words is "fifty-one billion, one hundred sixty-two million, seven hundred ninety-one thousand, two hundred fourteen".