11377527881 has 2 divisors, whose sum is σ = 11377527882. Its totient is φ = 11377527880.

The previous prime is 11377527877. The next prime is 11377527907. The reversal of 11377527881 is 18872577311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11305005625 + 72522256 = 106325^2 + 8516^2 .

It is a cyclic number.

It is not a de Polignac number, because 11377527881 - 2² = 11377527877 is a prime.

It is a super-2 number, since 2×11377527881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11377527281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688763940 + 5688763941.

It is an arithmetic number, because the mean of its divisors is an integer number (5688763941).

Almost surely, 2^11377527881 is an apocalyptic number.

It is an amenable number.

11377527881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11377527881 is an equidigital number, since it uses as much as digits as its factorization.

11377527881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 50.

The spelling of 11377527881 in words is "eleven billion, three hundred seventy-seven million, five hundred twenty-seven thousand, eight hundred eighty-one".