51151313246 has 48 divisors (see below), whose sum is σ = 87250325904. Its totient is φ = 22458480000.

The previous prime is 51151313237. The next prime is 51151313261. The reversal of 51151313246 is 64231315115.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976601 + ... + 1027643.

It is an arithmetic number, because the mean of its divisors is an integer number (1817715123).

Almost surely, 2^51151313246 is an apocalyptic number.

51151313246 is a deficient number, since it is larger than the sum of its proper divisors (36099012658).

51151313246 is a wasteful number, since it uses less digits than its factorization.

51151313246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51209 (or 51198 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The spelling of 51151313246 in words is "fifty-one billion, one hundred fifty-one million, three hundred thirteen thousand, two hundred forty-six".