11121677737 has 2 divisors, whose sum is σ = 11121677738. Its totient is φ = 11121677736.

The previous prime is 11121677713. The next prime is 11121677773. The reversal of 11121677737 is 73777612111.

Together with next prime (11121677773) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10542360976 + 579316761 = 102676^2 + 24069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121677737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121677693 and 11121677702.

It is not a weakly prime, because it can be changed into another prime (11121677537) 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, 5560838868 + 5560838869.

It is an arithmetic number, because the mean of its divisors is an integer number (5560838869).

Almost surely, 2^11121677737 is an apocalyptic number.

It is an amenable number.

11121677737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121677737 is an equidigital number, since it uses as much as digits as its factorization.

11121677737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86436, while the sum is 43.

The spelling of 11121677737 in words is "eleven billion, one hundred twenty-one million, six hundred seventy-seven thousand, seven hundred thirty-seven".