27662661125 has 16 divisors (see below), whose sum is σ = 37661457600. Its totient is φ = 20118298000.

The previous prime is 27662661119. The next prime is 27662661139. The reversal of 27662661125 is 52116626672.

It is not a de Polignac number, because 27662661125 - 2²⁰ = 27661612549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10057775 + ... + 10060524.

It is an arithmetic number, because the mean of its divisors is an integer number (2353841100).

Almost surely, 2^27662661125 is an apocalyptic number.

27662661125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27662661125 is a deficient number, since it is larger than the sum of its proper divisors (9998796475).

27662661125 is a wasteful number, since it uses less digits than its factorization.

27662661125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20118325 (or 20118315 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The spelling of 27662661125 in words is "twenty-seven billion, six hundred sixty-two million, six hundred sixty-one thousand, one hundred twenty-five".