51311052262004 has 12 divisors (see below), whose sum is σ = 89903447589984. Its totient is φ = 25624352950584.

The previous prime is 51311052261979. The next prime is 51311052262013. The reversal of 51311052262004 is 40026225011315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7793291402 + ... + 7793297985.

It is an arithmetic number, because the mean of its divisors is an integer number (7491953965832).

Almost surely, 2^{51311052262004} is an apocalyptic number.

It is an amenable number.

51311052262004 is a deficient number, since it is larger than the sum of its proper divisors (38592395327980).

51311052262004 is a wasteful number, since it uses less digits than its factorization.

51311052262004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586590214 (or 15586590212 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 51311052262004 its reverse (40026225011315), we get a palindrome (91337277273319).

The spelling of 51311052262004 in words is "fifty-one trillion, three hundred eleven billion, fifty-two million, two hundred sixty-two thousand, four".