27752502525 has 36 divisors (see below), whose sum is σ = 50434646976. Its totient is φ = 13455754400.

The previous prime is 27752502523. The next prime is 27752502571. The reversal of 27752502525 is 52520525772.

It is not a de Polignac number, because 27752502525 - 2¹ = 27752502523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27752502523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1519989 + ... + 1538138.

It is an arithmetic number, because the mean of its divisors is an integer number (1400962416).

Almost surely, 2^27752502525 is an apocalyptic number.

27752502525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27752502525 is a deficient number, since it is larger than the sum of its proper divisors (22682144451).

27752502525 is a wasteful number, since it uses less digits than its factorization.

27752502525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058162 (or 3058146 counting only the distinct ones).

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

The spelling of 27752502525 in words is "twenty-seven billion, seven hundred fifty-two million, five hundred two thousand, five hundred twenty-five".