131112525 has 12 divisors (see below), whose sum is σ = 216772832. Its totient is φ = 69926640.

The previous prime is 131112491. The next prime is 131112533. The reversal of 131112525 is 525211131.

It is not a de Polignac number, because 131112525 - 2⁹ = 131112013 is a prime.

It is a Duffinian number.

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, 874009 + ... + 874158.

Almost surely, 2^131112525 is an apocalyptic number.

131112525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131112525 is a deficient number, since it is larger than the sum of its proper divisors (85660307).

131112525 is a wasteful number, since it uses less digits than its factorization.

131112525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748180 (or 1748175 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 131112525 is about 11450.4377645573. The cubic root of 131112525 is about 508.0206826576.

Adding to 131112525 its reverse (525211131), we get a palindrome (656323656).

The spelling of 131112525 in words is "one hundred thirty-one million, one hundred twelve thousand, five hundred twenty-five".