1005515502145 has 64 divisors (see below), whose sum is σ = 1541438760960. Its totient is φ = 611371353600.

The previous prime is 1005515502139. The next prime is 1005515502157. The reversal of 1005515502145 is 5412055155001.

It is not a de Polignac number, because 1005515502145 - 2¹⁷ = 1005515371073 is a prime.

It is a super-2 number, since 2×1005515502145² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005515502145.

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 63 ways as a sum of consecutive naturals, for example, 106749246 + ... + 106758664.

It is an arithmetic number, because the mean of its divisors is an integer number (24084980640).

Almost surely, 2^{1005515502145} is an apocalyptic number.

It is an amenable number.

1005515502145 is a deficient number, since it is larger than the sum of its proper divisors (535923258815).

1005515502145 is a wasteful number, since it uses less digits than its factorization.

1005515502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16246.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 1005515502145 in words is "one trillion, five billion, five hundred fifteen million, five hundred two thousand, one hundred forty-five".