11005142452 has 24 divisors (see below), whose sum is σ = 19377540000. Its totient is φ = 5468741280.

The previous prime is 11005142413. The next prime is 11005142453. The reversal of 11005142452 is 25424150011.

It is a super-2 number, since 2×11005142452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005142453) 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 7 ways as a sum of consecutive naturals, for example, 1463799 + ... + 1471297.

It is an arithmetic number, because the mean of its divisors is an integer number (807397500).

Almost surely, 2^11005142452 is an apocalyptic number.

It is an amenable number.

11005142452 is a deficient number, since it is larger than the sum of its proper divisors (8372397548).

11005142452 is a wasteful number, since it uses less digits than its factorization.

11005142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711 (or 9709 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 11005142452 its reverse (25424150011), we get a palindrome (36429292463).

The spelling of 11005142452 in words is "eleven billion, five million, one hundred forty-two thousand, four hundred fifty-two".