131563340121015 has 24 divisors (see below), whose sum is σ = 248774315866128. Its totient is φ = 63788286119040.

The previous prime is 131563340120999. The next prime is 131563340121047. The reversal of 131563340121015 is 510121043365131.

131563340121015 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 6 + 33 + 401 + 210 + 1 + 5 = 666.

It is not a de Polignac number, because 131563340121015 - 2⁴ = 131563340120999 is a prime.

It is a congruent number.

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, 132892262254 + ... + 132892263243.

It is an arithmetic number, because the mean of its divisors is an integer number (10365596494422).

Almost surely, 2^{131563340121015} is an apocalyptic number.

131563340121015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131563340121015 is a deficient number, since it is larger than the sum of its proper divisors (117210975745113).

131563340121015 is a wasteful number, since it uses less digits than its factorization.

131563340121015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265784525519 (or 265784525516 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 131563340121015 its reverse (510121043365131), we get a palindrome (641684383486146).

The spelling of 131563340121015 in words is "one hundred thirty-one trillion, five hundred sixty-three billion, three hundred forty million, one hundred twenty-one thousand, fifteen".