11142665231650 has 24 divisors (see below), whose sum is σ = 20727740638800. Its totient is φ = 4456553553360.

The previous prime is 11142665231563. The next prime is 11142665231651. The reversal of 11142665231650 is 5613256624111.

It is a junction number, because it is equal to n+sod(n) for n = 11142665231597 and 11142665231606.

It is not an unprimeable number, because it can be changed into a prime (11142665231651) 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 11 ways as a sum of consecutive naturals, for example, 12374184 + ... + 13244083.

It is an arithmetic number, because the mean of its divisors is an integer number (863655859950).

Almost surely, 2^{11142665231650} is an apocalyptic number.

11142665231650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142665231650 is a deficient number, since it is larger than the sum of its proper divisors (9585075407150).

11142665231650 is a wasteful number, since it uses less digits than its factorization.

11142665231650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25626978 (or 25626973 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 11142665231650 in words is "eleven trillion, one hundred forty-two billion, six hundred sixty-five million, two hundred thirty-one thousand, six hundred fifty".