155058953439289 has 9 divisors (see below), whose sum is σ = 157213067530863. Its totient is φ = 152933961623472.

The previous prime is 155058953439223. The next prime is 155058953439311. The reversal of 155058953439289 is 982934359850551.

The square root of 155058953439289 is 12452267.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 88019015604025 + 67039937835264 = 9381845^2 + 8187792^2 .

It is not a de Polignac number, because 155058953439289 - 2²¹ = 155058951342137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155058953431289) 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 in 8 ways as a sum of consecutive naturals, for example, 908930202 + ... + 909100780.

Almost surely, 2^{155058953439289} is an apocalyptic number.

155058953439289 is the 12452267-th square number.

155058953439289 is the 6226134-th centered octagonal number.

It is an amenable number.

155058953439289 is a deficient number, since it is larger than the sum of its proper divisors (2154114091574).

155058953439289 is an frugal number, since it uses more digits than its factorization.

155058953439289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341304 (or 170652 counting only the distinct ones).

The product of its (nonzero) digits is 2099520000, while the sum is 76.

The spelling of 155058953439289 in words is "one hundred fifty-five trillion, fifty-eight billion, nine hundred fifty-three million, four hundred thirty-nine thousand, two hundred eighty-nine".