131545122025 has 24 divisors (see below), whose sum is σ = 172169079680. Its totient is φ = 99425568960.

The previous prime is 131545122017. The next prime is 131545122041. The reversal of 131545122025 is 520221545131.

It is not a de Polignac number, because 131545122025 - 2³ = 131545122017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202974 + ... + 551623.

Almost surely, 2^131545122025 is an apocalyptic number.

It is an amenable number.

131545122025 is a deficient number, since it is larger than the sum of its proper divisors (40623957655).

131545122025 is a wasteful number, since it uses less digits than its factorization.

131545122025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754993 (or 754988 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 131545122025 its reverse (520221545131), we get a palindrome (651766667156).

The spelling of 131545122025 in words is "one hundred thirty-one billion, five hundred forty-five million, one hundred twenty-two thousand, twenty-five".