51280119375786 has 24 divisors (see below), whose sum is σ = 126979343216544. Its totient is φ = 14651462678760.

The previous prime is 51280119375767. The next prime is 51280119375787. The reversal of 51280119375786 is 68757391108215.

It is a happy number.

51280119375786 is a `hidden beast` number, since 5 + 1 + 2 + 80 + 119 + 375 + 78 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (51280119375787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203492537080 + ... + 203492537331.

It is an arithmetic number, because the mean of its divisors is an integer number (5290805967356).

Almost surely, 2^{51280119375786} is an apocalyptic number.

51280119375786 is an abundant number, since it is smaller than the sum of its proper divisors (75699223840758).

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

51280119375786 is a wasteful number, since it uses less digits than its factorization.

51280119375786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406985074426 (or 406985074423 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 63.

The spelling of 51280119375786 in words is "fifty-one trillion, two hundred eighty billion, one hundred nineteen million, three hundred seventy-five thousand, seven hundred eighty-six".