1000653178085 has 16 divisors (see below), whose sum is σ = 1311541587072. Its totient is φ = 726861316800.

The previous prime is 1000653178081. The next prime is 1000653178103. The reversal of 1000653178085 is 5808713560001.

It is not a de Polignac number, because 1000653178085 - 2² = 1000653178081 is a prime.

It is a super-2 number, since 2×1000653178085² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000653178081) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11035049 + ... + 11125358.

It is an arithmetic number, because the mean of its divisors is an integer number (81971349192).

Almost surely, 2^{1000653178085} is an apocalyptic number.

It is an amenable number.

1000653178085 is a deficient number, since it is larger than the sum of its proper divisors (310888408987).

1000653178085 is a wasteful number, since it uses less digits than its factorization.

1000653178085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22161244.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 1000653178085 in words is "one trillion, six hundred fifty-three million, one hundred seventy-eight thousand, eighty-five".