11520118877 has 2 divisors, whose sum is σ = 11520118878. Its totient is φ = 11520118876.

The previous prime is 11520118829. The next prime is 11520118889. The reversal of 11520118877 is 77881102511.

11520118877 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., 5911456996 + 5608661881 = 76886^2 + 74891^2 .

It is a cyclic number.

It is not a de Polignac number, because 11520118877 - 2¹⁰ = 11520117853 is a prime.

It is a super-2 number, since 2×11520118877² (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 (11520111877) 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, 5760059438 + 5760059439.

It is an arithmetic number, because the mean of its divisors is an integer number (5760059439).

Almost surely, 2^11520118877 is an apocalyptic number.

It is an amenable number.

11520118877 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520118877 is an equidigital number, since it uses as much as digits as its factorization.

11520118877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 41.

The spelling of 11520118877 in words is "eleven billion, five hundred twenty million, one hundred eighteen thousand, eight hundred seventy-seven".