11242147005 has 64 divisors (see below), whose sum is σ = 21255091200. Its totient is φ = 5618211840.

The previous prime is 11242146991. The next prime is 11242147009. The reversal of 11242147005 is 50074124211.

It is not a de Polignac number, because 11242147005 - 2¹¹ = 11242144957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11242147005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242147009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514860 + ... + 536250.

It is an arithmetic number, because the mean of its divisors is an integer number (332110800).

Almost surely, 2^11242147005 is an apocalyptic number.

11242147005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11242147005 is a deficient number, since it is larger than the sum of its proper divisors (10012944195).

11242147005 is a wasteful number, since it uses less digits than its factorization.

11242147005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21651 (or 21645 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 11242147005 in words is "eleven billion, two hundred forty-two million, one hundred forty-seven thousand, five".