11445143052 has 48 divisors (see below), whose sum is σ = 31143257600. Its totient is φ = 3270039696.

The previous prime is 11445143051. The next prime is 11445143123. The reversal of 11445143052 is 25034154411.

It is not an unprimeable number, because it can be changed into a prime (11445143051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386208 + ... + 1394439.

Almost surely, 2^11445143052 is an apocalyptic number.

11445143052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11445143052 is an abundant number, since it is smaller than the sum of its proper divisors (19698114548).

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

11445143052 is a wasteful number, since it uses less digits than its factorization.

11445143052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780675 (or 2780659 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11445143052 its reverse (25034154411), we get a palindrome (36479297463).

The spelling of 11445143052 in words is "eleven billion, four hundred forty-five million, one hundred forty-three thousand, fifty-two".