11137442443 has 2 divisors, whose sum is σ = 11137442444. Its totient is φ = 11137442442.

The previous prime is 11137442389. The next prime is 11137442461. The reversal of 11137442443 is 34424473111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11137442443 is a prime.

It is a super-2 number, since 2×11137442443² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11137442399 and 11137442408.

It is not a weakly prime, because it can be changed into another prime (11137442143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568721221 + 5568721222.

It is an arithmetic number, because the mean of its divisors is an integer number (5568721222).

Almost surely, 2^11137442443 is an apocalyptic number.

11137442443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137442443 is an equidigital number, since it uses as much as digits as its factorization.

11137442443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The spelling of 11137442443 in words is "eleven billion, one hundred thirty-seven million, four hundred forty-two thousand, four hundred forty-three".