11156377669 has 2 divisors, whose sum is σ = 11156377670. Its totient is φ = 11156377668.

The previous prime is 11156377637. The next prime is 11156377697. The reversal of 11156377669 is 96677365111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10186864900 + 969512769 = 100930^2 + 31137^2 .

It is a cyclic number.

It is not a de Polignac number, because 11156377669 - 2⁵ = 11156377637 is a prime.

It is a super-2 number, since 2×11156377669² (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 (11156377069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578188834 + 5578188835.

It is an arithmetic number, because the mean of its divisors is an integer number (5578188835).

Almost surely, 2^11156377669 is an apocalyptic number.

It is an amenable number.

11156377669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156377669 is an equidigital number, since it uses as much as digits as its factorization.

11156377669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The spelling of 11156377669 in words is "eleven billion, one hundred fifty-six million, three hundred seventy-seven thousand, six hundred sixty-nine".