1136235440671 has 4 divisors (see below), whose sum is σ = 1203072819552. Its totient is φ = 1069398061792.

The previous prime is 1136235440633. The next prime is 1136235440687. The reversal of 1136235440671 is 1760445326311.

It is a happy number.

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 1136235440671 - 2³³ = 1127645506079 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 (1136235440621) 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 in 3 ways as a sum of consecutive naturals, for example, 33418689415 + ... + 33418689448.

It is an arithmetic number, because the mean of its divisors is an integer number (300768204888).

Almost surely, 2^{1136235440671} is an apocalyptic number.

1136235440671 is a deficient number, since it is larger than the sum of its proper divisors (66837378881).

1136235440671 is an equidigital number, since it uses as much as digits as its factorization.

1136235440671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66837378880.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1136235440671 in words is "one trillion, one hundred thirty-six billion, two hundred thirty-five million, four hundred forty thousand, six hundred seventy-one".