131115235112215 has 16 divisors (see below), whose sum is σ = 159687404896608. Its totient is φ = 103326121742976.

The previous prime is 131115235112203. The next prime is 131115235112321. The reversal of 131115235112215 is 512211532511131.

It is a cyclic number.

It is not a de Polignac number, because 131115235112215 - 2⁷ = 131115235112087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75932589 + ... + 77640121.

It is an arithmetic number, because the mean of its divisors is an integer number (9980462806038).

Almost surely, 2^{131115235112215} is an apocalyptic number.

131115235112215 is a deficient number, since it is larger than the sum of its proper divisors (28572169784393).

131115235112215 is a wasteful number, since it uses less digits than its factorization.

131115235112215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936818.

The product of its digits is 9000, while the sum is 34.

Adding to 131115235112215 its reverse (512211532511131), we get a palindrome (643326767623346).

The spelling of 131115235112215 in words is "one hundred thirty-one trillion, one hundred fifteen billion, two hundred thirty-five million, one hundred twelve thousand, two hundred fifteen".