131535225515 has 32 divisors (see below), whose sum is σ = 162783616896. Its totient is φ = 101958635520.

The previous prime is 131535225427. The next prime is 131535225539. The reversal of 131535225515 is 515522535131.

It is not a de Polignac number, because 131535225515 - 2²⁶ = 131468116651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57867419 + ... + 57869691.

It is an arithmetic number, because the mean of its divisors is an integer number (5086988028).

Almost surely, 2^131535225515 is an apocalyptic number.

131535225515 is a deficient number, since it is larger than the sum of its proper divisors (31248391381).

131535225515 is a wasteful number, since it uses less digits than its factorization.

131535225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its digits is 112500, while the sum is 38.

The spelling of 131535225515 in words is "one hundred thirty-one billion, five hundred thirty-five million, two hundred twenty-five thousand, five hundred fifteen".