51541343018 has 8 divisors (see below), whose sum is σ = 84340379520. Its totient is φ = 23427883180.

The previous prime is 51541343017. The next prime is 51541343041. The reversal of 51541343018 is 81034314515.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (51541343017) 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, 1171394138 + ... + 1171394181.

It is an arithmetic number, because the mean of its divisors is an integer number (10542547440).

Almost surely, 2^51541343018 is an apocalyptic number.

51541343018 is a deficient number, since it is larger than the sum of its proper divisors (32799036502).

51541343018 is a wasteful number, since it uses less digits than its factorization.

51541343018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342788332.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 51541343018 in words is "fifty-one billion, five hundred forty-one million, three hundred forty-three thousand, eighteen".