1156316851111 has 4 divisors (see below), whose sum is σ = 1156458790872. Its totient is φ = 1156174911352.

The previous prime is 1156316851093. The next prime is 1156316851121. The reversal of 1156316851111 is 1111586136511.

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 1156316851111 - 2¹¹ = 1156316849063 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 (1156316851121) 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, 70957660 + ... + 70973953.

It is an arithmetic number, because the mean of its divisors is an integer number (289114697718).

Almost surely, 2^{1156316851111} is an apocalyptic number.

1156316851111 is a deficient number, since it is larger than the sum of its proper divisors (141939761).

1156316851111 is an equidigital number, since it uses as much as digits as its factorization.

1156316851111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141939760.

The product of its digits is 21600, while the sum is 40.

The spelling of 1156316851111 in words is "one trillion, one hundred fifty-six billion, three hundred sixteen million, eight hundred fifty-one thousand, one hundred eleven".