51060055778278 has 8 divisors (see below), whose sum is σ = 76651404795000. Its totient is φ = 25509587513280.

The previous prime is 51060055778233. The next prime is 51060055778353. The reversal of 51060055778278 is 87287755006015.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10220184808 + ... + 10220189803.

It is an arithmetic number, because the mean of its divisors is an integer number (9581425599375).

Almost surely, 2^{51060055778278} is an apocalyptic number.

51060055778278 is a deficient number, since it is larger than the sum of its proper divisors (25591349016722).

51060055778278 is a wasteful number, since it uses less digits than its factorization.

51060055778278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440375862.

The product of its (nonzero) digits is 32928000, while the sum is 61.

The spelling of 51060055778278 in words is "fifty-one trillion, sixty billion, fifty-five million, seven hundred seventy-eight thousand, two hundred seventy-eight".