11135556331 has 2 divisors, whose sum is σ = 11135556332. Its totient is φ = 11135556330.

The previous prime is 11135556293. The next prime is 11135556343. The reversal of 11135556331 is 13365553111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11135556331 - 2⁷ = 11135556203 is a prime.

It is a super-2 number, since 2×11135556331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11135556031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567778165 + 5567778166.

It is an arithmetic number, because the mean of its divisors is an integer number (5567778166).

Almost surely, 2^11135556331 is an apocalyptic number.

11135556331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11135556331 is an equidigital number, since it uses as much as digits as its factorization.

11135556331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20250, while the sum is 34.

The spelling of 11135556331 in words is "eleven billion, one hundred thirty-five million, five hundred fifty-six thousand, three hundred thirty-one".