1011956717083 has 4 divisors (see below), whose sum is σ = 1089799541488. Its totient is φ = 934113892680.

The previous prime is 1011956717071. The next prime is 1011956717113. The reversal of 1011956717083 is 3807176591101.

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 1011956717083 - 2¹³ = 1011956708891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011956711083) 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, 38921412183 + ... + 38921412208.

It is an arithmetic number, because the mean of its divisors is an integer number (272449885372).

Almost surely, 2^{1011956717083} is an apocalyptic number.

1011956717083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1011956717083 is a deficient number, since it is larger than the sum of its proper divisors (77842824405).

1011956717083 is an equidigital number, since it uses as much as digits as its factorization.

1011956717083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77842824404.

The product of its (nonzero) digits is 317520, while the sum is 49.

The spelling of 1011956717083 in words is "one trillion, eleven billion, nine hundred fifty-six million, seven hundred seventeen thousand, eighty-three".