505240492151 has 2 divisors, whose sum is σ = 505240492152. Its totient is φ = 505240492150.

The previous prime is 505240492111. The next prime is 505240492171. The reversal of 505240492151 is 151294042505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505240492151 - 2⁶ = 505240492087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505240492111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252620246075 + 252620246076.

It is an arithmetic number, because the mean of its divisors is an integer number (252620246076).

Almost surely, 2^505240492151 is an apocalyptic number.

505240492151 is a deficient number, since it is larger than the sum of its proper divisors (1).

505240492151 is an equidigital number, since it uses as much as digits as its factorization.

505240492151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 505240492151 in words is "five hundred five billion, two hundred forty million, four hundred ninety-two thousand, one hundred fifty-one".