11431126620412 has 6 divisors (see below), whose sum is σ = 20004471585728. Its totient is φ = 5715563310204.

The previous prime is 11431126620373. The next prime is 11431126620413. The reversal of 11431126620412 is 21402662113411.

It is a happy number.

It is a super-3 number, since 3×11431126620412³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431126620413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428890827548 + ... + 1428890827555.

Almost surely, 2^{11431126620412} is an apocalyptic number.

It is an amenable number.

11431126620412 is a deficient number, since it is larger than the sum of its proper divisors (8573344965316).

11431126620412 is a wasteful number, since it uses less digits than its factorization.

11431126620412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857781655107 (or 2857781655105 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 11431126620412 its reverse (21402662113411), we get a palindrome (32833788733823).

The spelling of 11431126620412 in words is "eleven trillion, four hundred thirty-one billion, one hundred twenty-six million, six hundred twenty thousand, four hundred twelve".