505342131515 has 32 divisors (see below), whose sum is σ = 669610561536. Its totient is φ = 363780144000.

The previous prime is 505342131479. The next prime is 505342131521. The reversal of 505342131515 is 515131243505.

It is a de Polignac number, because none of the positive numbers 2^k-505342131515 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, 437294 + ... + 1096316.

It is an arithmetic number, because the mean of its divisors is an integer number (20925330048).

Almost surely, 2^505342131515 is an apocalyptic number.

505342131515 is a deficient number, since it is larger than the sum of its proper divisors (164268430021).

505342131515 is a wasteful number, since it uses less digits than its factorization.

505342131515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659339.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 505342131515 in words is "five hundred five billion, three hundred forty-two million, one hundred thirty-one thousand, five hundred fifteen".