11341777021 has 4 divisors (see below), whose sum is σ = 11343097312. Its totient is φ = 11340456732.

The previous prime is 11341777019. The next prime is 11341777061. The reversal of 11341777021 is 12077714311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11341777021 - 2¹ = 11341777019 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 (11341777061) 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, 647175 + ... + 664468.

It is an arithmetic number, because the mean of its divisors is an integer number (2835774328).

Almost surely, 2^11341777021 is an apocalyptic number.

It is an amenable number.

11341777021 is a deficient number, since it is larger than the sum of its proper divisors (1320291).

11341777021 is an equidigital number, since it uses as much as digits as its factorization.

11341777021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320290.

The product of its (nonzero) digits is 8232, while the sum is 34.

The spelling of 11341777021 in words is "eleven billion, three hundred forty-one million, seven hundred seventy-seven thousand, twenty-one".