11209372901 has 2 divisors, whose sum is σ = 11209372902. Its totient is φ = 11209372900.

The previous prime is 11209372883. The next prime is 11209372919. The reversal of 11209372901 is 10927390211.

It is a balanced prime because it is at equal distance from previous prime (11209372883) and next prime (11209372919).

It can be written as a sum of positive squares in only one way, i.e., 9942084100 + 1267288801 = 99710^2 + 35599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11209372901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11209312901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604686450 + 5604686451.

It is an arithmetic number, because the mean of its divisors is an integer number (5604686451).

Almost surely, 2^11209372901 is an apocalyptic number.

It is an amenable number.

11209372901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11209372901 is an equidigital number, since it uses as much as digits as its factorization.

11209372901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 11209372901 in words is "eleven billion, two hundred nine million, three hundred seventy-two thousand, nine hundred one".