155345564071 has 2 divisors, whose sum is σ = 155345564072. Its totient is φ = 155345564070.

The previous prime is 155345564021. The next prime is 155345564089. The reversal of 155345564071 is 170465543551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155345564071 - 2¹⁹ = 155345039783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155345564021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77672782035 + 77672782036.

It is an arithmetic number, because the mean of its divisors is an integer number (77672782036).

Almost surely, 2^155345564071 is an apocalyptic number.

155345564071 is a deficient number, since it is larger than the sum of its proper divisors (1).

155345564071 is an equidigital number, since it uses as much as digits as its factorization.

155345564071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 155345564071 in words is "one hundred fifty-five billion, three hundred forty-five million, five hundred sixty-four thousand, seventy-one".