11380270648 has 16 divisors (see below), whose sum is σ = 22265747280. Its totient is φ = 5442738048.

The previous prime is 11380270639. The next prime is 11380270667. The reversal of 11380270648 is 84607208311.

It is a self number, because there is not a number n which added to its sum of digits gives 11380270648.

It is a congruent number.

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, 30924465 + ... + 30924832.

It is an arithmetic number, because the mean of its divisors is an integer number (1391609205).

Almost surely, 2^11380270648 is an apocalyptic number.

It is an amenable number.

11380270648 is a deficient number, since it is larger than the sum of its proper divisors (10885476632).

11380270648 is a wasteful number, since it uses less digits than its factorization.

11380270648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61849326 (or 61849322 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

Adding to 11380270648 its reverse (84607208311), we get a palindrome (95987478959).

The spelling of 11380270648 in words is "eleven billion, three hundred eighty million, two hundred seventy thousand, six hundred forty-eight".