51555150611 has 2 divisors, whose sum is σ = 51555150612. Its totient is φ = 51555150610.

The previous prime is 51555150599. The next prime is 51555150631. The reversal of 51555150611 is 11605155515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51555150611 - 2¹⁰ = 51555149587 is a prime.

It is not a weakly prime, because it can be changed into another prime (51555150631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25777575305 + 25777575306.

It is an arithmetic number, because the mean of its divisors is an integer number (25777575306).

Almost surely, 2^51555150611 is an apocalyptic number.

51555150611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51555150611 is an equidigital number, since it uses as much as digits as its factorization.

51555150611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 51555150611 in words is "fifty-one billion, five hundred fifty-five million, one hundred fifty thousand, six hundred eleven".