51250323511 has 2 divisors, whose sum is σ = 51250323512. Its totient is φ = 51250323510.

The previous prime is 51250323499. The next prime is 51250323517. The reversal of 51250323511 is 11532305215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51250323511 - 2¹⁵ = 51250290743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51250323511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51250323517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25625161755 + 25625161756.

It is an arithmetic number, because the mean of its divisors is an integer number (25625161756).

Almost surely, 2^51250323511 is an apocalyptic number.

51250323511 is a deficient number, since it is larger than the sum of its proper divisors (1).

51250323511 is an equidigital number, since it uses as much as digits as its factorization.

51250323511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 51250323511 its reverse (11532305215), we get a palindrome (62782628726).

The spelling of 51250323511 in words is "fifty-one billion, two hundred fifty million, three hundred twenty-three thousand, five hundred eleven".