12140001525 has 24 divisors (see below), whose sum is σ = 20074624864. Its totient is φ = 6473649600.

The previous prime is 12140001521. The next prime is 12140001581. The reversal of 12140001525 is 52510004121.

It is not a de Polignac number, because 12140001525 - 2² = 12140001521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140001521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934122 + ... + 947028.

Almost surely, 2^12140001525 is an apocalyptic number.

12140001525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12140001525 is a deficient number, since it is larger than the sum of its proper divisors (7934623339).

12140001525 is a wasteful number, since it uses less digits than its factorization.

12140001525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25461 (or 25456 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 12140001525 its reverse (52510004121), we get a palindrome (64650005646).

The spelling of 12140001525 in words is "twelve billion, one hundred forty million, one thousand, five hundred twenty-five".