51548462011 has 2 divisors, whose sum is σ = 51548462012. Its totient is φ = 51548462010.

The previous prime is 51548461997. The next prime is 51548462051. The reversal of 51548462011 is 11026484515.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51548462011 is a prime.

It is not a weakly prime, because it can be changed into another prime (51548462051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25774231005 + 25774231006.

It is an arithmetic number, because the mean of its divisors is an integer number (25774231006).

Almost surely, 2^51548462011 is an apocalyptic number.

51548462011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51548462011 is an equidigital number, since it uses as much as digits as its factorization.

51548462011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 51548462011 in words is "fifty-one billion, five hundred forty-eight million, four hundred sixty-two thousand, eleven".