12535444404525 has 96 divisors (see below), whose sum is σ = 24218377924608. Its totient is φ = 5601979065600.

The previous prime is 12535444404517. The next prime is 12535444404533. The reversal of 12535444404525 is 52540444453521.

It is an interprime number because it is at equal distance from previous prime (12535444404517) and next prime (12535444404533).

It is not a de Polignac number, because 12535444404525 - 2³ = 12535444404517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20749990 + ... + 21345560.

It is an arithmetic number, because the mean of its divisors is an integer number (252274770048).

Almost surely, 2^{12535444404525} is an apocalyptic number.

12535444404525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12535444404525 is a deficient number, since it is larger than the sum of its proper divisors (11682933520083).

12535444404525 is a wasteful number, since it uses less digits than its factorization.

12535444404525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596491 (or 596486 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 48.

The spelling of 12535444404525 in words is "twelve trillion, five hundred thirty-five billion, four hundred forty-four million, four hundred four thousand, five hundred twenty-five".