131265582615 has 32 divisors (see below), whose sum is σ = 233431934400. Its totient is φ = 69987041280.

The previous prime is 131265582611. The next prime is 131265582641. The reversal of 131265582615 is 516285562131.

131265582615 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 6 + 5 + 582 + 61 + 5 = 666.

It is not a de Polignac number, because 131265582615 - 2² = 131265582611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131265582611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303375 + ... + 595455.

It is an arithmetic number, because the mean of its divisors is an integer number (7294747950).

Almost surely, 2^131265582615 is an apocalyptic number.

131265582615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131265582615 is a deficient number, since it is larger than the sum of its proper divisors (102166351785).

131265582615 is a wasteful number, since it uses less digits than its factorization.

131265582615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295424 (or 295418 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The spelling of 131265582615 in words is "one hundred thirty-one billion, two hundred sixty-five million, five hundred eighty-two thousand, six hundred fifteen".