11142445650 has 72 divisors (see below), whose sum is σ = 32144839920. Its totient is φ = 2546843040.

The previous prime is 11142445637. The next prime is 11142445651. The reversal of 11142445650 is 5654424111.

It is not an unprimeable number, because it can be changed into a prime (11142445651) 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 35 ways as a sum of consecutive naturals, for example, 750640 + ... + 765339.

It is an arithmetic number, because the mean of its divisors is an integer number (446456110).

Almost surely, 2^11142445650 is an apocalyptic number.

11142445650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142445650 is an abundant number, since it is smaller than the sum of its proper divisors (21002394270).

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

11142445650 is a wasteful number, since it uses less digits than its factorization.

11142445650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516008 (or 1515996 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 11142445650 its reverse (5654424111), we get a palindrome (16796869761).

The spelling of 11142445650 in words is "eleven billion, one hundred forty-two million, four hundred forty-five thousand, six hundred fifty".