1001000050515 has 80 divisors (see below), whose sum is σ = 1890082571520. Its totient is φ = 505432146240.

The previous prime is 1001000050511. The next prime is 1001000050573. The reversal of 1001000050515 is 5150500001001.

1001000050515 is a `hidden beast` number, since 1 + 0 + 0 + 100 + 0 + 0 + 50 + 515 = 666.

It is not a de Polignac number, because 1001000050515 - 2² = 1001000050511 is a prime.

It is a super-2 number, since 2×1001000050515² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001000050511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11738562 + ... + 11823528.

It is an arithmetic number, because the mean of its divisors is an integer number (23626032144).

Almost surely, 2^{1001000050515} is an apocalyptic number.

1001000050515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1001000050515 is a deficient number, since it is larger than the sum of its proper divisors (889082521005).

1001000050515 is a wasteful number, since it uses less digits than its factorization.

1001000050515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86534 (or 86525 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 1001000050515 its reverse (5150500001001), we get a palindrome (6151500051516).

The spelling of 1001000050515 in words is "one trillion, one billion, fifty thousand, five hundred fifteen".