1011938567159 has 4 divisors (see below), whose sum is σ = 1089779995416. Its totient is φ = 934097138904.

The previous prime is 1011938567141. The next prime is 1011938567177. The reversal of 1011938567159 is 9517658391101.

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

It is an interprime number because it is at equal distance from previous prime (1011938567141) and next prime (1011938567177).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011938567159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011938567359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38920714109 + ... + 38920714134.

It is an arithmetic number, because the mean of its divisors is an integer number (272444998854).

Almost surely, 2^{1011938567159} is an apocalyptic number.

1011938567159 is a deficient number, since it is larger than the sum of its proper divisors (77841428257).

1011938567159 is an equidigital number, since it uses as much as digits as its factorization.

1011938567159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77841428256.

The product of its (nonzero) digits is 2041200, while the sum is 56.

The spelling of 1011938567159 in words is "one trillion, eleven billion, nine hundred thirty-eight million, five hundred sixty-seven thousand, one hundred fifty-nine".