51086818377484 has 24 divisors (see below), whose sum is σ = 90666523438848. Its totient is φ = 25182140324880.

The previous prime is 51086818377479. The next prime is 51086818377487. The reversal of 51086818377484 is 48477381868015.

It is not an unprimeable number, because it can be changed into a prime (51086818377487) 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, 590304 + ... + 10125319.

It is an arithmetic number, because the mean of its divisors is an integer number (3777771809952).

Almost surely, 2^{51086818377484} is an apocalyptic number.

It is an amenable number.

51086818377484 is a deficient number, since it is larger than the sum of its proper divisors (39579705061364).

51086818377484 is a wasteful number, since it uses less digits than its factorization.

51086818377484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732485 (or 10732483 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 70.

The spelling of 51086818377484 in words is "fifty-one trillion, eighty-six billion, eight hundred eighteen million, three hundred seventy-seven thousand, four hundred eighty-four".