1002166356115 has 4 divisors (see below), whose sum is σ = 1202599627344. Its totient is φ = 801733084888.

The previous prime is 1002166355987. The next prime is 1002166356127. The reversal of 1002166356115 is 5116536612001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002166356115 - 2⁷ = 1002166355987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100216635607 + ... + 100216635616.

It is an arithmetic number, because the mean of its divisors is an integer number (300649906836).

Almost surely, 2^{1002166356115} is an apocalyptic number.

1002166356115 is a deficient number, since it is larger than the sum of its proper divisors (200433271229).

1002166356115 is an equidigital number, since it uses as much as digits as its factorization.

1002166356115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200433271228.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1002166356115 in words is "one trillion, two billion, one hundred sixty-six million, three hundred fifty-six thousand, one hundred fifteen".