12527353845 has 12 divisors (see below), whose sum is σ = 21714080076. Its totient is φ = 6681255360.

The previous prime is 12527353831. The next prime is 12527353879. The reversal of 12527353845 is 54835372521.

12527353845 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 73 + 538 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6966072369 + 5561281476 = 83463^2 + 74574^2 .

It is not a de Polignac number, because 12527353845 - 2⁶ = 12527353781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 278385641 = 12527353845 / (1 + 2 + 5 + 2 + 7 + 3 + 5 + 3 + 8 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 12527353845.

It is a congruent number.

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, 139192776 + ... + 139192865.

It is an arithmetic number, because the mean of its divisors is an integer number (1809506673).

Almost surely, 2^12527353845 is an apocalyptic number.

12527353845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12527353845 is a deficient number, since it is larger than the sum of its proper divisors (9186726231).

12527353845 is a wasteful number, since it uses less digits than its factorization.

12527353845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278385652 (or 278385649 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 12527353845 in words is "twelve billion, five hundred twenty-seven million, three hundred fifty-three thousand, eight hundred forty-five".