27234691557125 has 16 divisors (see below), whose sum is σ = 36603425454960. Its totient is φ = 20111772225600.

The previous prime is 27234691557107. The next prime is 27234691557131. The reversal of 27234691557125 is 52175519643272.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 22160151406849 + 5074540150276 = 4707457^2 + 2252674^2 .

It is not a de Polignac number, because 27234691557125 - 2²² = 27234687362821 is a prime.

It is a super-3 number, since 3×27234691557125³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8379903470 + ... + 8379906719.

It is an arithmetic number, because the mean of its divisors is an integer number (2287714090935).

Almost surely, 2^{27234691557125} is an apocalyptic number.

27234691557125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27234691557125 is a deficient number, since it is larger than the sum of its proper divisors (9368733897835).

27234691557125 is a wasteful number, since it uses less digits than its factorization.

27234691557125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16759810217 (or 16759810207 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 59.

The spelling of 27234691557125 in words is "twenty-seven trillion, two hundred thirty-four billion, six hundred ninety-one million, five hundred fifty-seven thousand, one hundred twenty-five".