11138042471 has 2 divisors, whose sum is σ = 11138042472. Its totient is φ = 11138042470.

The previous prime is 11138042437. The next prime is 11138042477. The reversal of 11138042471 is 17424083111.

11138042471 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11138042471 is a prime.

It is a super-3 number, since 3×11138042471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11138042477) 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, 5569021235 + 5569021236.

It is an arithmetic number, because the mean of its divisors is an integer number (5569021236).

Almost surely, 2^11138042471 is an apocalyptic number.

11138042471 is a deficient number, since it is larger than the sum of its proper divisors (1).

11138042471 is an equidigital number, since it uses as much as digits as its factorization.

11138042471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 11138042471 in words is "eleven billion, one hundred thirty-eight million, forty-two thousand, four hundred seventy-one".