1617272012275 has 6 divisors (see below), whose sum is σ = 2005417295252. Its totient is φ = 1293817609800.

The previous prime is 1617272012273. The next prime is 1617272012287. The reversal of 1617272012275 is 5722102727161.

It is not a de Polignac number, because 1617272012275 - 2¹ = 1617272012273 is a prime.

It is a super-3 number, since 3×1617272012275³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1617272012273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32345440221 + ... + 32345440270.

Almost surely, 2^{1617272012275} is an apocalyptic number.

1617272012275 is a deficient number, since it is larger than the sum of its proper divisors (388145282977).

1617272012275 is an equidigital number, since it uses as much as digits as its factorization.

1617272012275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64690880501 (or 64690880496 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 1617272012275 in words is "one trillion, six hundred seventeen billion, two hundred seventy-two million, twelve thousand, two hundred seventy-five".