1006635632155 has 48 divisors (see below), whose sum is σ = 1375350832224. Its totient is φ = 704496798720.

The previous prime is 1006635632077. The next prime is 1006635632179. The reversal of 1006635632155 is 5512365366001.

It is not a de Polignac number, because 1006635632155 - 2⁹ = 1006635631643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1316820 + ... + 1935790.

It is an arithmetic number, because the mean of its divisors is an integer number (28653142338).

Almost surely, 2^{1006635632155} is an apocalyptic number.

1006635632155 is a deficient number, since it is larger than the sum of its proper divisors (368715200069).

1006635632155 is a wasteful number, since it uses less digits than its factorization.

1006635632155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619084 (or 619065 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 1006635632155 in words is "one trillion, six billion, six hundred thirty-five million, six hundred thirty-two thousand, one hundred fifty-five".