155509152327 has 12 divisors (see below), whose sum is σ = 232369998120. Its totient is φ = 100097845008.

The previous prime is 155509152317. The next prime is 155509152329. The reversal of 155509152327 is 723251905551.

155509152327 is a `hidden beast` number, since 1 + 5 + 550 + 91 + 5 + 2 + 3 + 2 + 7 = 666.

It is not a de Polignac number, because 155509152327 - 2⁴ = 155509152311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155509152329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297909993 + ... + 297910514.

It is an arithmetic number, because the mean of its divisors is an integer number (19364166510).

Almost surely, 2^155509152327 is an apocalyptic number.

155509152327 is a deficient number, since it is larger than the sum of its proper divisors (76860845793).

155509152327 is a wasteful number, since it uses less digits than its factorization.

155509152327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595820542 (or 595820539 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 155509152327 in words is "one hundred fifty-five billion, five hundred nine million, one hundred fifty-two thousand, three hundred twenty-seven".