130525423515 has 32 divisors (see below), whose sum is σ = 237704846400. Its totient is φ = 67915664640.

The previous prime is 130525423507. The next prime is 130525423519. The reversal of 130525423515 is 515324525031.

130525423515 is a `hidden beast` number, since 1 + 30 + 52 + 542 + 35 + 1 + 5 = 666.

It is not a de Polignac number, because 130525423515 - 2³ = 130525423507 is a prime.

It is a super-2 number, since 2×130525423515² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130525423515.

It is not an unprimeable number, because it can be changed into a prime (130525423519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11785380 + ... + 11796449.

It is an arithmetic number, because the mean of its divisors is an integer number (7428276450).

Almost surely, 2^130525423515 is an apocalyptic number.

130525423515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130525423515 is a deficient number, since it is larger than the sum of its proper divisors (107179422885).

130525423515 is a wasteful number, since it uses less digits than its factorization.

130525423515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23581884 (or 23581878 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 130525423515 its reverse (515324525031), we get a palindrome (645849948546).

The spelling of 130525423515 in words is "one hundred thirty billion, five hundred twenty-five million, four hundred twenty-three thousand, five hundred fifteen".