11105970550 has 12 divisors (see below), whose sum is σ = 20657105316. Its totient is φ = 4442388200.

The previous prime is 11105970541. The next prime is 11105970553. The reversal of 11105970550 is 5507950111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105970553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111059656 + ... + 111059755.

It is an arithmetic number, because the mean of its divisors is an integer number (1721425443).

Almost surely, 2^11105970550 is an apocalyptic number.

11105970550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11105970550 is a deficient number, since it is larger than the sum of its proper divisors (9551134766).

11105970550 is a wasteful number, since it uses less digits than its factorization.

11105970550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222119423 (or 222119418 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 34.

The spelling of 11105970550 in words is "eleven billion, one hundred five million, nine hundred seventy thousand, five hundred fifty".