11403235334421 has 160 divisors (see below), whose sum is σ = 21390416087040. Its totient is φ = 5902890339456.

The previous prime is 11403235334419. The next prime is 11403235334489. The reversal of 11403235334421 is 12443353230411.

11403235334421 is a `hidden beast` number, since 1 + 1 + 40 + 3 + 23 + 533 + 44 + 21 = 666.

It is not a de Polignac number, because 11403235334421 - 2¹ = 11403235334419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403235334021) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1113265926 + ... + 1113276168.

It is an arithmetic number, because the mean of its divisors is an integer number (133690100544).

Almost surely, 2^{11403235334421} is an apocalyptic number.

It is an amenable number.

11403235334421 is a deficient number, since it is larger than the sum of its proper divisors (9987180752619).

11403235334421 is a wasteful number, since it uses less digits than its factorization.

11403235334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797 (or 14788 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 11403235334421 its reverse (12443353230411), we get a palindrome (23846588564832).

The spelling of 11403235334421 in words is "eleven trillion, four hundred three billion, two hundred thirty-five million, three hundred thirty-four thousand, four hundred twenty-one".