11299787065 has 32 divisors (see below), whose sum is σ = 16338309120. Its totient is φ = 7328988864.

The previous prime is 11299787063. The next prime is 11299787117. The reversal of 11299787065 is 56078799211.

It is a happy number.

It is not a de Polignac number, because 11299787065 - 2¹ = 11299787063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11299786997 and 11299787015.

It is not an unprimeable number, because it can be changed into a prime (11299787063) 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 31 ways as a sum of consecutive naturals, for example, 417124 + ... + 443386.

It is an arithmetic number, because the mean of its divisors is an integer number (510572160).

Almost surely, 2^11299787065 is an apocalyptic number.

It is an amenable number.

11299787065 is a deficient number, since it is larger than the sum of its proper divisors (5038522055).

11299787065 is a wasteful number, since it uses less digits than its factorization.

11299787065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941.

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 11299787065 in words is "eleven billion, two hundred ninety-nine million, seven hundred eighty-seven thousand, sixty-five".