11020740641 has 4 divisors (see below), whose sum is σ = 11020992192. Its totient is φ = 11020489092.

The previous prime is 11020740617. The next prime is 11020740649. The reversal of 11020740641 is 14604702011.

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 11020740641 - 2²² = 11016546337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020740641.

It is not an unprimeable number, because it can be changed into a prime (11020740649) 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, 41021 + ... + 154026.

It is an arithmetic number, because the mean of its divisors is an integer number (2755248048).

Almost surely, 2^11020740641 is an apocalyptic number.

It is an amenable number.

11020740641 is a deficient number, since it is larger than the sum of its proper divisors (251551).

11020740641 is an equidigital number, since it uses as much as digits as its factorization.

11020740641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251550.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 11020740641 in words is "eleven billion, twenty million, seven hundred forty thousand, six hundred forty-one".