155025675289 has 9 divisors (see below), whose sum is σ = 160567549597. Its totient is φ = 149668937824.

The previous prime is 155025675247. The next prime is 155025675317. The reversal of 155025675289 is 982576520551.

The square root of 155025675289 is 393733.

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

It can be written as a sum of positive squares in 4 ways, for example, as 52438710025 + 102586965264 = 228995^2 + 320292^2 .

It is not a de Polignac number, because 155025675289 - 2³³ = 146435740697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155025675989) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11411469 + ... + 11425045.

Almost surely, 2^155025675289 is an apocalyptic number.

155025675289 is the 393733-rd square number.

155025675289 is the 196867-th centered octagonal number.

It is an amenable number.

155025675289 is a deficient number, since it is larger than the sum of its proper divisors (5541874308).

155025675289 is an frugal number, since it uses more digits than its factorization.

155025675289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27212 (or 13606 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 55.

The spelling of 155025675289 in words is "one hundred fifty-five billion, twenty-five million, six hundred seventy-five thousand, two hundred eighty-nine".