11103400687 has 2 divisors, whose sum is σ = 11103400688. Its totient is φ = 11103400686.

The previous prime is 11103400657. The next prime is 11103400739. The reversal of 11103400687 is 78600430111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11103400687 - 2¹⁹ = 11102876399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11103400657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551700343 + 5551700344.

It is an arithmetic number, because the mean of its divisors is an integer number (5551700344).

Almost surely, 2^11103400687 is an apocalyptic number.

11103400687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103400687 is an equidigital number, since it uses as much as digits as its factorization.

11103400687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 11103400687 its reverse (78600430111), we get a palindrome (89703830798).

The spelling of 11103400687 in words is "eleven billion, one hundred three million, four hundred thousand, six hundred eighty-seven".