51241182986 has 16 divisors (see below), whose sum is σ = 87948265536. Its totient is φ = 21933947616.

The previous prime is 51241182959. The next prime is 51241183001. The reversal of 51241182986 is 68928114215.

It is a self number, because there is not a number n which added to its sum of digits gives 51241182986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201291 + ... + 2224446.

It is an arithmetic number, because the mean of its divisors is an integer number (5496766596).

Almost surely, 2^51241182986 is an apocalyptic number.

51241182986 is a deficient number, since it is larger than the sum of its proper divisors (36707082550).

51241182986 is a wasteful number, since it uses less digits than its factorization.

51241182986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426573.

The product of its digits is 276480, while the sum is 47.

The spelling of 51241182986 in words is "fifty-one billion, two hundred forty-one million, one hundred eighty-two thousand, nine hundred eighty-six".