11151601001 has 2 divisors, whose sum is σ = 11151601002. Its totient is φ = 11151601000.

The previous prime is 11151600989. The next prime is 11151601003. The reversal of 11151601001 is 10010615111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9015312601 + 2136288400 = 94949^2 + 46220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11151601001 is a prime.

Together with 11151601003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11151601003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575800500 + 5575800501.

It is an arithmetic number, because the mean of its divisors is an integer number (5575800501).

Almost surely, 2^11151601001 is an apocalyptic number.

It is an amenable number.

11151601001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11151601001 is an equidigital number, since it uses as much as digits as its factorization.

11151601001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 17.

The spelling of 11151601001 in words is "eleven billion, one hundred fifty-one million, six hundred one thousand, one".