155257263328567 has 2 divisors, whose sum is σ = 155257263328568. Its totient is φ = 155257263328566.

The previous prime is 155257263328537. The next prime is 155257263328621. The reversal of 155257263328567 is 765823362752551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155257263328567 - 2³⁵ = 155222903590199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155257263328537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77628631664283 + 77628631664284.

It is an arithmetic number, because the mean of its divisors is an integer number (77628631664284).

Almost surely, 2^{155257263328567} is an apocalyptic number.

155257263328567 is a deficient number, since it is larger than the sum of its proper divisors (1).

155257263328567 is an equidigital number, since it uses as much as digits as its factorization.

155257263328567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040000, while the sum is 67.

The spelling of 155257263328567 in words is "one hundred fifty-five trillion, two hundred fifty-seven billion, two hundred sixty-three million, three hundred twenty-eight thousand, five hundred sixty-seven".