11478370499 has 2 divisors, whose sum is σ = 11478370500. Its totient is φ = 11478370498.

The previous prime is 11478370493. The next prime is 11478370531. The reversal of 11478370499 is 99407387411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11478370499 - 2⁸ = 11478370243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11478370499.

It is not a weakly prime, because it can be changed into another prime (11478370493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739185249 + 5739185250.

It is an arithmetic number, because the mean of its divisors is an integer number (5739185250).

Almost surely, 2^11478370499 is an apocalyptic number.

11478370499 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478370499 is an equidigital number, since it uses as much as digits as its factorization.

11478370499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 11478370499 in words is "eleven billion, four hundred seventy-eight million, three hundred seventy thousand, four hundred ninety-nine".