10872155881 has 2 divisors, whose sum is σ = 10872155882. Its totient is φ = 10872155880.

The previous prime is 10872155863. The next prime is 10872155893. The reversal of 10872155881 is 18855127801.

10872155881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10638065881 + 234090000 = 103141^2 + 15300^2 .

It is a cyclic number.

It is not a de Polignac number, because 10872155881 - 2⁵ = 10872155849 is a prime.

It is a super-2 number, since 2×10872155881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10872155381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5436077940 + 5436077941.

It is an arithmetic number, because the mean of its divisors is an integer number (5436077941).

Almost surely, 2^10872155881 is an apocalyptic number.

It is an amenable number.

10872155881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10872155881 is an equidigital number, since it uses as much as digits as its factorization.

10872155881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 46.

It can be divided in two parts, 10872 and 155881, that added together give a triangular number (166753 = T₅₇₇).

The spelling of 10872155881 in words is "ten billion, eight hundred seventy-two million, one hundred fifty-five thousand, eight hundred eighty-one".