27765152640125 has 32 divisors (see below), whose sum is σ = 34759150043904. Its totient is φ = 22142751576000.

The previous prime is 27765152640107. The next prime is 27765152640139. The reversal of 27765152640125 is 52104625156772.

It is not a de Polignac number, because 27765152640125 - 2⁶ = 27765152640061 is a prime.

It is a super-2 number, since 2×27765152640125² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488734472 + ... + 488791278.

It is an arithmetic number, because the mean of its divisors is an integer number (1086223438872).

Almost surely, 2^{27765152640125} is an apocalyptic number.

27765152640125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27765152640125 is a deficient number, since it is larger than the sum of its proper divisors (6993997403779).

27765152640125 is a wasteful number, since it uses less digits than its factorization.

27765152640125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68966 (or 68956 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 53.

Adding to 27765152640125 its reverse (52104625156772), we get a palindrome (79869777796897).

The spelling of 27765152640125 in words is "twenty-seven trillion, seven hundred sixty-five billion, one hundred fifty-two million, six hundred forty thousand, one hundred twenty-five".