27752525025 has 12 divisors (see below), whose sum is σ = 45884174832. Its totient is φ = 14801346640.

The previous prime is 27752524949. The next prime is 27752525081. The reversal of 27752525025 is 52052525772.

It is not a de Polignac number, because 27752525025 - 2²⁰ = 27751476449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185016759 + ... + 185016908.

It is an arithmetic number, because the mean of its divisors is an integer number (3823681236).

Almost surely, 2^27752525025 is an apocalyptic number.

27752525025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27752525025 is a deficient number, since it is larger than the sum of its proper divisors (18131649807).

27752525025 is a wasteful number, since it uses less digits than its factorization.

27752525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370033680 (or 370033675 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 27752525025 in words is "twenty-seven billion, seven hundred fifty-two million, five hundred twenty-five thousand, twenty-five".