11378739361 has 16 divisors (see below), whose sum is σ = 13101062400. Its totient is φ = 9773946000.

The previous prime is 11378739349. The next prime is 11378739391. The reversal of 11378739361 is 16393787311.

It is a cyclic number.

It is not a de Polignac number, because 11378739361 - 2¹⁷ = 11378608289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11378739301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7386 + ... + 151036.

It is an arithmetic number, because the mean of its divisors is an integer number (818816400).

Almost surely, 2^11378739361 is an apocalyptic number.

11378739361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11378739361 is a deficient number, since it is larger than the sum of its proper divisors (1722323039).

11378739361 is a wasteful number, since it uses less digits than its factorization.

11378739361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144060.

The product of its digits is 571536, while the sum is 49.

The spelling of 11378739361 in words is "eleven billion, three hundred seventy-eight million, seven hundred thirty-nine thousand, three hundred sixty-one".