51618541276 has 6 divisors (see below), whose sum is σ = 90332447240. Its totient is φ = 25809270636.

The previous prime is 51618541259. The next prime is 51618541279. The reversal of 51618541276 is 67214581615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51618541279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6452317656 + ... + 6452317663.

Almost surely, 2^51618541276 is an apocalyptic number.

It is an amenable number.

51618541276 is a deficient number, since it is larger than the sum of its proper divisors (38713905964).

51618541276 is a wasteful number, since it uses less digits than its factorization.

51618541276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904635323 (or 12904635321 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The spelling of 51618541276 in words is "fifty-one billion, six hundred eighteen million, five hundred forty-one thousand, two hundred seventy-six".