11142211412 has 12 divisors (see below), whose sum is σ = 19866773556. Its totient is φ = 5465990400.

The previous prime is 11142211411. The next prime is 11142211427. The reversal of 11142211412 is 21411224111.

It can be written as a sum of positive squares in 2 ways, for example, as 3428805136 + 7713406276 = 58556^2 + 87826^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142211411) 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 3 ways as a sum of consecutive naturals, for example, 26278589 + ... + 26279012.

It is an arithmetic number, because the mean of its divisors is an integer number (1655564463).

Almost surely, 2^11142211412 is an apocalyptic number.

It is an amenable number.

11142211412 is a deficient number, since it is larger than the sum of its proper divisors (8724562144).

11142211412 is a wasteful number, since it uses less digits than its factorization.

11142211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52557658 (or 52557656 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 11142211412 its reverse (21411224111), we get a palindrome (32553435523).

The spelling of 11142211412 in words is "eleven billion, one hundred forty-two million, two hundred eleven thousand, four hundred twelve".