11626641941 has 2 divisors, whose sum is σ = 11626641942. Its totient is φ = 11626641940.

The previous prime is 11626641919. The next prime is 11626642009. The reversal of 11626641941 is 14914662611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6539956900 + 5086685041 = 80870^2 + 71321^2 .

It is an emirp because it is prime and its reverse (14914662611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11626641941 - 2²² = 11622447637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11626644941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813320970 + 5813320971.

It is an arithmetic number, because the mean of its divisors is an integer number (5813320971).

Almost surely, 2^11626641941 is an apocalyptic number.

It is an amenable number.

11626641941 is a deficient number, since it is larger than the sum of its proper divisors (1).

11626641941 is an equidigital number, since it uses as much as digits as its factorization.

11626641941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The spelling of 11626641941 in words is "eleven billion, six hundred twenty-six million, six hundred forty-one thousand, nine hundred forty-one".