11269042785 has 540 divisors, whose sum is σ = 29357301204. Its totient is φ = 4095463680.

The previous prime is 11269042783. The next prime is 11269042787. The reversal of 11269042785 is 58724096211.

It is an interprime number because it is at equal distance from previous prime (11269042783) and next prime (11269042787).

It can be written as a sum of positive squares in 2 ways, for example, as 2773918224 + 8495124561 = 52668^2 + 92169^2 .

It is not a de Polignac number, because 11269042785 - 2¹ = 11269042783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11269042785.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11269042783) by changing a digit.

It is a polite number, since it can be written in 539 ways as a sum of consecutive naturals, for example, 593107506 + ... + 593107524.

Almost surely, 2^11269042785 is an apocalyptic number.

11269042785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11269042785 is an abundant number, since it is smaller than the sum of its proper divisors (18088258419).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11269042785 is a wasteful number, since it uses less digits than its factorization.

11269042785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 11269042785 in words is "eleven billion, two hundred sixty-nine million, forty-two thousand, seven hundred eighty-five".