11310142787 has 4 divisors (see below), whose sum is σ = 11905413480. Its totient is φ = 10714872096.

The previous prime is 11310142769. The next prime is 11310142807. The reversal of 11310142787 is 78724101311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78724101311 = 4271 ⋅18432241.

It is a cyclic number.

It is not a de Polignac number, because 11310142787 - 2⁸ = 11310142531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310142757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297635318 + ... + 297635355.

It is an arithmetic number, because the mean of its divisors is an integer number (2976353370).

Almost surely, 2^11310142787 is an apocalyptic number.

11310142787 is a deficient number, since it is larger than the sum of its proper divisors (595270693).

11310142787 is an equidigital number, since it uses as much as digits as its factorization.

11310142787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595270692.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 11310142787 in words is "eleven billion, three hundred ten million, one hundred forty-two thousand, seven hundred eighty-seven".