130521141525 has 24 divisors (see below), whose sum is σ = 216295691904. Its totient is φ = 69449747200.

The previous prime is 130521141521. The next prime is 130521141529. The reversal of 130521141525 is 525141125031.

It is an interprime number because it is at equal distance from previous prime (130521141521) and next prime (130521141529).

It is not a de Polignac number, because 130521141525 - 2² = 130521141521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130521141492 and 130521141501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130521141521) 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, 1986564 + ... + 2051213.

It is an arithmetic number, because the mean of its divisors is an integer number (9012320496).

Almost surely, 2^130521141525 is an apocalyptic number.

130521141525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130521141525 is a deficient number, since it is larger than the sum of its proper divisors (85774550379).

130521141525 is a wasteful number, since it uses less digits than its factorization.

130521141525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038221 (or 4038216 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 130521141525 its reverse (525141125031), we get a palindrome (655662266556).

The spelling of 130521141525 in words is "one hundred thirty billion, five hundred twenty-one million, one hundred forty-one thousand, five hundred twenty-five".