11403120215043 has 12 divisors (see below), whose sum is σ = 16479134605440. Its totient is φ = 7598405853456.

The previous prime is 11403120215023. The next prime is 11403120215077. The reversal of 11403120215043 is 34051202130411.

11403120215043 is a `hidden beast` number, since 1 + 1 + 403 + 1 + 2 + 0 + 215 + 0 + 43 = 666.

It is not a de Polignac number, because 11403120215043 - 2¹² = 11403120210947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403120214998 and 11403120215016.

It is not an unprimeable number, because it can be changed into a prime (11403120215023) 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 in 11 ways as a sum of consecutive naturals, for example, 306171171 + ... + 306208412.

It is an arithmetic number, because the mean of its divisors is an integer number (1373261217120).

Almost surely, 2^{11403120215043} is an apocalyptic number.

11403120215043 is a deficient number, since it is larger than the sum of its proper divisors (5076014390397).

11403120215043 is a wasteful number, since it uses less digits than its factorization.

11403120215043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612381658 (or 612381655 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 11403120215043 its reverse (34051202130411), we get a palindrome (45454322345454).

The spelling of 11403120215043 in words is "eleven trillion, four hundred three billion, one hundred twenty million, two hundred fifteen thousand, forty-three".