11377777550 has 12 divisors (see below), whose sum is σ = 21162666336. Its totient is φ = 4551111000.

The previous prime is 11377777519. The next prime is 11377777571. The reversal of 11377777550 is 5577777311.

11377777550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 227555551 = 11377777550 / (1 + 1 + 3 + 7 + 7 + 7 + 7 + 7 + 5 + 5 + 0).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 113777726 + ... + 113777825.

It is an arithmetic number, because the mean of its divisors is an integer number (1763555528).

Almost surely, 2^11377777550 is an apocalyptic number.

11377777550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11377777550 is a deficient number, since it is larger than the sum of its proper divisors (9784888786).

11377777550 is a wasteful number, since it uses less digits than its factorization.

11377777550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227555563 (or 227555558 counting only the distinct ones).

The product of its (nonzero) digits is 1260525, while the sum is 50.

The spelling of 11377777550 in words is "eleven billion, three hundred seventy-seven million, seven hundred seventy-seven thousand, five hundred fifty".