1005961524872 has 16 divisors (see below), whose sum is σ = 1886202108060. Its totient is φ = 502974296064.

The previous prime is 1005961524863. The next prime is 1005961524913. The reversal of 1005961524872 is 2784251695001.

It can be written as a sum of positive squares in 2 ways, for example, as 849704178436 + 156257346436 = 921794^2 + 395294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1005961524872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111833 + ... + 1422824.

Almost surely, 2^{1005961524872} is an apocalyptic number.

It is an amenable number.

1005961524872 is a deficient number, since it is larger than the sum of its proper divisors (880240583188).

1005961524872 is a wasteful number, since it uses less digits than its factorization.

1005961524872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616600 (or 1616596 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 1005961524872 in words is "one trillion, five billion, nine hundred sixty-one million, five hundred twenty-four thousand, eight hundred seventy-two".