11648433877 has 2 divisors, whose sum is σ = 11648433878. Its totient is φ = 11648433876.

The previous prime is 11648433821. The next prime is 11648433883. The reversal of 11648433877 is 77833484611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9270993796 + 2377440081 = 96286^2 + 48759^2 .

It is an emirp because it is prime and its reverse (77833484611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11648433877 - 2¹¹ = 11648431829 is a prime.

It is a super-2 number, since 2×11648433877² (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 (11648433817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824216938 + 5824216939.

It is an arithmetic number, because the mean of its divisors is an integer number (5824216939).

Almost surely, 2^11648433877 is an apocalyptic number.

It is an amenable number.

11648433877 is a deficient number, since it is larger than the sum of its proper divisors (1).

11648433877 is an equidigital number, since it uses as much as digits as its factorization.

11648433877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 52.

The spelling of 11648433877 in words is "eleven billion, six hundred forty-eight million, four hundred thirty-three thousand, eight hundred seventy-seven".