11438378435 has 8 divisors (see below), whose sum is σ = 14973877296. Its totient is φ = 8318820640.

The previous prime is 11438378429. The next prime is 11438378437. The reversal of 11438378435 is 53487383411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11438378435 - 2⁸ = 11438378179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11438378435.

It is not an unprimeable number, because it can be changed into a prime (11438378437) 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 in 7 ways as a sum of consecutive naturals, for example, 103985204 + ... + 103985313.

It is an arithmetic number, because the mean of its divisors is an integer number (1871734662).

Almost surely, 2^11438378435 is an apocalyptic number.

11438378435 is a deficient number, since it is larger than the sum of its proper divisors (3535498861).

11438378435 is a wasteful number, since it uses less digits than its factorization.

11438378435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207970533.

The product of its digits is 967680, while the sum is 47.

The spelling of 11438378435 in words is "eleven billion, four hundred thirty-eight million, three hundred seventy-eight thousand, four hundred thirty-five".