11412403143421 has 32 divisors (see below), whose sum is σ = 13491595208448. Its totient is φ = 9450169935360.

The previous prime is 11412403143419. The next prime is 11412403143487. The reversal of 11412403143421 is 12434130421411.

It is not a de Polignac number, because 11412403143421 - 2¹ = 11412403143419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412403143521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71564451 + ... + 71723743.

It is an arithmetic number, because the mean of its divisors is an integer number (421612350264).

Almost surely, 2^{11412403143421} is an apocalyptic number.

It is an amenable number.

11412403143421 is a deficient number, since it is larger than the sum of its proper divisors (2079192065027).

11412403143421 is a wasteful number, since it uses less digits than its factorization.

11412403143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161781.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 11412403143421 its reverse (12434130421411), we get a palindrome (23846533564832).

The spelling of 11412403143421 in words is "eleven trillion, four hundred twelve billion, four hundred three million, one hundred forty-three thousand, four hundred twenty-one".