1288915041515 has 16 divisors (see below), whose sum is σ = 1596626605056. Its totient is φ = 997847791200.

The previous prime is 1288915041503. The next prime is 1288915041571. The reversal of 1288915041515 is 5151405198821.

It is not a de Polignac number, because 1288915041515 - 2¹⁴ = 1288915025131 is a prime.

It is a super-2 number, since 2×1288915041515² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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, 13331900 + ... + 13428230.

It is an arithmetic number, because the mean of its divisors is an integer number (99789162816).

Almost surely, 2^{1288915041515} is an apocalyptic number.

1288915041515 is a deficient number, since it is larger than the sum of its proper divisors (307711563541).

1288915041515 is an equidigital number, since it uses as much as digits as its factorization.

1288915041515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182690.

The product of its (nonzero) digits is 576000, while the sum is 50.

The spelling of 1288915041515 in words is "one trillion, two hundred eighty-eight billion, nine hundred fifteen million, forty-one thousand, five hundred fifteen".