131120502225 has 48 divisors (see below), whose sum is σ = 217829064000. Its totient is φ = 69595269120.

The previous prime is 131120502181. The next prime is 131120502229. The reversal of 131120502225 is 522205021131.

It is not a de Polignac number, because 131120502225 - 2²⁰ = 131119453649 is a prime.

It is a super-2 number, since 2×131120502225² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131120502195 and 131120502204.

It is not an unprimeable number, because it can be changed into a prime (131120502229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13584201 + ... + 13593849.

It is an arithmetic number, because the mean of its divisors is an integer number (4538105500).

Almost surely, 2^131120502225 is an apocalyptic number.

131120502225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131120502225 is a deficient number, since it is larger than the sum of its proper divisors (86708561775).

131120502225 is a wasteful number, since it uses less digits than its factorization.

131120502225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514 (or 10509 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 131120502225 its reverse (522205021131), we get a palindrome (653325523356).

The spelling of 131120502225 in words is "one hundred thirty-one billion, one hundred twenty million, five hundred two thousand, two hundred twenty-five".