155271366259 has 2 divisors, whose sum is σ = 155271366260. Its totient is φ = 155271366258.

The previous prime is 155271366199. The next prime is 155271366317. The reversal of 155271366259 is 952663172551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155271366259 - 2²¹ = 155269269107 is a prime.

It is not a weakly prime, because it can be changed into another prime (155271366359) 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, 77635683129 + 77635683130.

It is an arithmetic number, because the mean of its divisors is an integer number (77635683130).

Almost surely, 2^155271366259 is an apocalyptic number.

155271366259 is a deficient number, since it is larger than the sum of its proper divisors (1).

155271366259 is an equidigital number, since it uses as much as digits as its factorization.

155271366259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 52.

The spelling of 155271366259 in words is "one hundred fifty-five billion, two hundred seventy-one million, three hundred sixty-six thousand, two hundred fifty-nine".