11641248277 has 2 divisors, whose sum is σ = 11641248278. Its totient is φ = 11641248276.

The previous prime is 11641248271. The next prime is 11641248337. The reversal of 11641248277 is 77284214611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6670152241 + 4971096036 = 81671^2 + 70506^2 .

It is a cyclic number.

It is not a de Polignac number, because 11641248277 - 2³¹ = 9493764629 is a prime.

It is a super-2 number, since 2×11641248277² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11641248271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820624138 + 5820624139.

It is an arithmetic number, because the mean of its divisors is an integer number (5820624139).

Almost surely, 2^11641248277 is an apocalyptic number.

It is an amenable number.

11641248277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11641248277 is an equidigital number, since it uses as much as digits as its factorization.

11641248277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The spelling of 11641248277 in words is "eleven billion, six hundred forty-one million, two hundred forty-eight thousand, two hundred seventy-seven".