27542087525 has 12 divisors (see below), whose sum is σ = 34381402500. Its totient is φ = 21885790080.

The previous prime is 27542087519. The next prime is 27542087539. The reversal of 27542087525 is 52578024572.

It can be written as a sum of positive squares in 6 ways, for example, as 712302721 + 26829784804 = 26689^2 + 163798^2 .

It is not a de Polignac number, because 27542087525 - 2²⁰ = 27541038949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27542087525.

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 11 ways as a sum of consecutive naturals, for example, 3693200 + ... + 3700649.

It is an arithmetic number, because the mean of its divisors is an integer number (2865116875).

Almost surely, 2^27542087525 is an apocalyptic number.

27542087525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27542087525 is a deficient number, since it is larger than the sum of its proper divisors (6839314975).

27542087525 is a wasteful number, since it uses less digits than its factorization.

27542087525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394008 (or 7394003 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 47.

The spelling of 27542087525 in words is "twenty-seven billion, five hundred forty-two million, eighty-seven thousand, five hundred twenty-five".