11270385538 has 8 divisors (see below), whose sum is σ = 16906657680. Its totient is φ = 5634832980.

The previous prime is 11270385523. The next prime is 11270385571. The reversal of 11270385538 is 83558307211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11270385494 and 11270385503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138868 + ... + 204511.

It is an arithmetic number, because the mean of its divisors is an integer number (2113332210).

Almost surely, 2^11270385538 is an apocalyptic number.

11270385538 is a deficient number, since it is larger than the sum of its proper divisors (5636272142).

11270385538 is a wasteful number, since it uses less digits than its factorization.

11270385538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359792.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 11270385538 in words is "eleven billion, two hundred seventy million, three hundred eighty-five thousand, five hundred thirty-eight".