11219871041 has 2 divisors, whose sum is σ = 11219871042. Its totient is φ = 11219871040.

The previous prime is 11219871037. The next prime is 11219871077. The reversal of 11219871041 is 14017891211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5613006400 + 5606864641 = 74920^2 + 74879^2 .

It is a cyclic number.

It is not a de Polignac number, because 11219871041 - 2² = 11219871037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11219870992 and 11219871010.

It is not a weakly prime, because it can be changed into another prime (11219801041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609935520 + 5609935521.

It is an arithmetic number, because the mean of its divisors is an integer number (5609935521).

Almost surely, 2^11219871041 is an apocalyptic number.

It is an amenable number.

11219871041 is a deficient number, since it is larger than the sum of its proper divisors (1).

11219871041 is an equidigital number, since it uses as much as digits as its factorization.

11219871041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 11219871041 in words is "eleven billion, two hundred nineteen million, eight hundred seventy-one thousand, forty-one".