1005515113225 has 12 divisors (see below), whose sum is σ = 1424958560704. Its totient is φ = 689496077520.

The previous prime is 1005515113147. The next prime is 1005515113241. The reversal of 1005515113225 is 5223115155001.

It is a de Polignac number, because none of the positive numbers 2^k-1005515113225 is a prime.

It is a super-2 number, since 2×1005515113225² (a number of 25 digits) contains 22 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 11 ways as a sum of consecutive naturals, for example, 2872900149 + ... + 2872900498.

Almost surely, 2^{1005515113225} is an apocalyptic number.

It is an amenable number.

1005515113225 is a deficient number, since it is larger than the sum of its proper divisors (419443447479).

1005515113225 is an equidigital number, since it uses as much as digits as its factorization.

1005515113225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745800664 (or 5745800659 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 1005515113225 in words is "one trillion, five billion, five hundred fifteen million, one hundred thirteen thousand, two hundred twenty-five".