131045335225515 has 24 divisors (see below), whose sum is σ = 227146739365728. Its totient is φ = 69890386487040.

The previous prime is 131045335225421. The next prime is 131045335225523. The reversal of 131045335225515 is 515522533540131.

131045335225515 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 533 + 52 + 2 + 55 + 15 = 666.

It is not a de Polignac number, because 131045335225515 - 2⁹ = 131045335225003 is a prime.

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

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, 2577054 + ... + 16393043.

It is an arithmetic number, because the mean of its divisors is an integer number (9464447473572).

Almost surely, 2^{131045335225515} is an apocalyptic number.

131045335225515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131045335225515 is a deficient number, since it is larger than the sum of its proper divisors (96101404140213).

131045335225515 is a wasteful number, since it uses less digits than its factorization.

131045335225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19123619 (or 19123616 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

Adding to 131045335225515 its reverse (515522533540131), we get a palindrome (646567868765646).

The spelling of 131045335225515 in words is "one hundred thirty-one trillion, forty-five billion, three hundred thirty-five million, two hundred twenty-five thousand, five hundred fifteen".