1380350011 has 4 divisors (see below), whose sum is σ = 1380429000. Its totient is φ = 1380271024.

The previous prime is 1380349987. The next prime is 1380350021. The reversal of 1380350011 is 1100530831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1100530831 = 29 ⋅37949339.

It is a cyclic number.

It is not a de Polignac number, because 1380350011 - 2¹³ = 1380341819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380350021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346 + ... + 52543.

It is an arithmetic number, because the mean of its divisors is an integer number (345107250).

Almost surely, 2^1380350011 is an apocalyptic number.

1380350011 is a deficient number, since it is larger than the sum of its proper divisors (78989).

1380350011 is an equidigital number, since it uses as much as digits as its factorization.

1380350011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78988.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1380350011 is about 37153.0619330359. The cubic root of 1380350011 is about 1113.4303991550.

Adding to 1380350011 its reverse (1100530831), we get a palindrome (2480880842).

The spelling of 1380350011 in words is "one billion, three hundred eighty million, three hundred fifty thousand, eleven".