11762634881 has 2 divisors, whose sum is σ = 11762634882. Its totient is φ = 11762634880.

The previous prime is 11762634833. The next prime is 11762634899. The reversal of 11762634881 is 18843626711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8200932481 + 3561702400 = 90559^2 + 59680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11762634881 is a prime.

It is a super-2 number, since 2×11762634881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11762634811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5881317440 + 5881317441.

It is an arithmetic number, because the mean of its divisors is an integer number (5881317441).

Almost surely, 2^11762634881 is an apocalyptic number.

It is an amenable number.

11762634881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11762634881 is an equidigital number, since it uses as much as digits as its factorization.

11762634881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The spelling of 11762634881 in words is "eleven billion, seven hundred sixty-two million, six hundred thirty-four thousand, eight hundred eighty-one".