11177520667 has 2 divisors, whose sum is σ = 11177520668. Its totient is φ = 11177520666.

The previous prime is 11177520631. The next prime is 11177520671. The reversal of 11177520667 is 76602577111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11177520667 - 2¹⁵ = 11177487899 is a prime.

It is a super-2 number, since 2×11177520667² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11177520467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5588760333 + 5588760334.

It is an arithmetic number, because the mean of its divisors is an integer number (5588760334).

Almost surely, 2^11177520667 is an apocalyptic number.

11177520667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11177520667 is an equidigital number, since it uses as much as digits as its factorization.

11177520667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 11177520667 in words is "eleven billion, one hundred seventy-seven million, five hundred twenty thousand, six hundred sixty-seven".