27765025015125 has 16 divisors (see below), whose sum is σ = 46201001625792. Its totient is φ = 14808013341200.

The previous prime is 27765025015103. The next prime is 27765025015163. The reversal of 27765025015125 is 52151052056772.

It is not a de Polignac number, because 27765025015125 - 2⁷ = 27765025014997 is a prime.

It is a super-2 number, since 2×27765025015125² (a number of 28 digits) contains 22 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37020032979 + ... + 37020033728.

It is an arithmetic number, because the mean of its divisors is an integer number (2887562601612).

Almost surely, 2^{27765025015125} is an apocalyptic number.

27765025015125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27765025015125 is a deficient number, since it is larger than the sum of its proper divisors (18435976610667).

27765025015125 is an equidigital number, since it uses as much as digits as its factorization.

27765025015125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040066725 (or 74040066715 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 48.

The spelling of 27765025015125 in words is "twenty-seven trillion, seven hundred sixty-five billion, twenty-five million, fifteen thousand, one hundred twenty-five".