27145755754172 has 12 divisors (see below), whose sum is σ = 51823715530776. Its totient is φ = 12338979888240.

The previous prime is 27145755754171. The next prime is 27145755754181.

It is a happy number.

27145755754172 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27145755754171) 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 3 ways as a sum of consecutive naturals, for example, 308474497163 + ... + 308474497250.

It is an arithmetic number, because the mean of its divisors is an integer number (4318642960898).

Almost surely, 2^{27145755754172} is an apocalyptic number.

27145755754172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27145755754172 is a deficient number, since it is larger than the sum of its proper divisors (24677959776604).

27145755754172 is a wasteful number, since it uses less digits than its factorization.

27145755754172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616948994428 (or 616948994426 counting only the distinct ones).

The product of its digits is 96040000, while the sum is 62.

The spelling of 27145755754172 in words is "twenty-seven trillion, one hundred forty-five billion, seven hundred fifty-five million, seven hundred fifty-four thousand, one hundred seventy-two".