1135555556851 has 2 divisors, whose sum is σ = 1135555556852. Its totient is φ = 1135555556850.

The previous prime is 1135555556761. The next prime is 1135555556873. The reversal of 1135555556851 is 1586555555311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1135555556851 - 2²⁷ = 1135421339123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1135555556792 and 1135555556801.

It is not a weakly prime, because it can be changed into another prime (1135555556881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567777778425 + 567777778426.

It is an arithmetic number, because the mean of its divisors is an integer number (567777778426).

Almost surely, 2^{1135555556851} is an apocalyptic number.

1135555556851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135555556851 is an equidigital number, since it uses as much as digits as its factorization.

1135555556851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11250000, while the sum is 55.

The spelling of 1135555556851 in words is "one trillion, one hundred thirty-five billion, five hundred fifty-five million, five hundred fifty-six thousand, eight hundred fifty-one".