2005515501002 has 8 divisors (see below), whose sum is σ = 3239678886276. Its totient is φ = 925622538912.

The previous prime is 2005515500981. The next prime is 2005515501023. The reversal of 2005515501002 is 2001055155002.

It is an interprime number because it is at equal distance from previous prime (2005515500981) and next prime (2005515501023).

It can be written as a sum of positive squares in 2 ways, for example, as 2004260286961 + 1255214041 = 1415719^2 + 35429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 77135211577 = 2005515501002 / (2 + 0 + 0 + 5 + 5 + 1 + 5 + 5 + 0 + 1 + 0 + 0 + 2).

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, 38567605763 + ... + 38567605814.

Almost surely, 2^{2005515501002} is an apocalyptic number.

2005515501002 is a deficient number, since it is larger than the sum of its proper divisors (1234163385274).

2005515501002 is a wasteful number, since it uses less digits than its factorization.

2005515501002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77135211592.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 2005515501002 in words is "two trillion, five billion, five hundred fifteen million, five hundred one thousand, two".