11377788215 has 4 divisors (see below), whose sum is σ = 13653345864. Its totient is φ = 9102230568.

The previous prime is 11377788211. The next prime is 11377788239. The reversal of 11377788215 is 51288777311.

11377788215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51288777311 = 463 ⋅110774897.

It is a cyclic number.

It is not a de Polignac number, because 11377788215 - 2² = 11377788211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11377788211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137778817 + ... + 1137778826.

It is an arithmetic number, because the mean of its divisors is an integer number (3413336466).

Almost surely, 2^11377788215 is an apocalyptic number.

11377788215 is a deficient number, since it is larger than the sum of its proper divisors (2275557649).

11377788215 is an equidigital number, since it uses as much as digits as its factorization.

11377788215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275557648.

The product of its digits is 658560, while the sum is 50.

The spelling of 11377788215 in words is "eleven billion, three hundred seventy-seven million, seven hundred eighty-eight thousand, two hundred fifteen".