1515073697968 has 20 divisors (see below), whose sum is σ = 2942849396080. Its totient is φ = 755628692544.

The previous prime is 1515073697947. The next prime is 1515073697989. The reversal of 1515073697968 is 8697963705151.

It is an interprime number because it is at equal distance from previous prime (1515073697947) and next prime (1515073697989).

It is a super-3 number, since 3×1515073697968³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119253228 + ... + 119265931.

It is an arithmetic number, because the mean of its divisors is an integer number (147142469804).

Almost surely, 2^{1515073697968} is an apocalyptic number.

It is an amenable number.

1515073697968 is a deficient number, since it is larger than the sum of its proper divisors (1427775698112).

1515073697968 is a wasteful number, since it uses less digits than its factorization.

1515073697968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238519564 (or 238519558 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 67.

The spelling of 1515073697968 in words is "one trillion, five hundred fifteen billion, seventy-three million, six hundred ninety-seven thousand, nine hundred sixty-eight".