1011386113851 has 4 divisors (see below), whose sum is σ = 1348514818472. Its totient is φ = 674257409232.

The previous prime is 1011386113849. The next prime is 1011386113921. The reversal of 1011386113851 is 1583116831101.

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

It is not a de Polignac number, because 1011386113851 - 2¹ = 1011386113849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011386118851) 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, 168564352306 + ... + 168564352311.

It is an arithmetic number, because the mean of its divisors is an integer number (337128704618).

Almost surely, 2^{1011386113851} is an apocalyptic number.

1011386113851 is a deficient number, since it is larger than the sum of its proper divisors (337128704621).

1011386113851 is an equidigital number, since it uses as much as digits as its factorization.

1011386113851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337128704620.

The product of its (nonzero) digits is 17280, while the sum is 39.

The spelling of 1011386113851 in words is "one trillion, eleven billion, three hundred eighty-six million, one hundred thirteen thousand, eight hundred fifty-one".