1111000847851 has 2 divisors, whose sum is σ = 1111000847852. Its totient is φ = 1111000847850.

The previous prime is 1111000847849. The next prime is 1111000847857. The reversal of 1111000847851 is 1587480001111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111000847851 - 2¹ = 1111000847849 is a prime.

Together with 1111000847849, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1111000847851.

It is not a weakly prime, because it can be changed into another prime (1111000847857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500423925 + 555500423926.

It is an arithmetic number, because the mean of its divisors is an integer number (555500423926).

Almost surely, 2^{1111000847851} is an apocalyptic number.

1111000847851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000847851 is an equidigital number, since it uses as much as digits as its factorization.

1111000847851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 37.

Adding to 1111000847851 its reverse (1587480001111), we get a palindrome (2698480848962).

The spelling of 1111000847851 in words is "one trillion, one hundred eleven billion, eight hundred forty-seven thousand, eight hundred fifty-one".