11872707443 has 2 divisors, whose sum is σ = 11872707444. Its totient is φ = 11872707442.

The previous prime is 11872707439. The next prime is 11872707449. The reversal of 11872707443 is 34470727811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11872707443 - 2² = 11872707439 is a prime.

It is a super-2 number, since 2×11872707443² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11872707394 and 11872707403.

It is not a weakly prime, because it can be changed into another prime (11872707449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936353721 + 5936353722.

It is an arithmetic number, because the mean of its divisors is an integer number (5936353722).

Almost surely, 2^11872707443 is an apocalyptic number.

11872707443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872707443 is an equidigital number, since it uses as much as digits as its factorization.

11872707443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 11872707443 in words is "eleven billion, eight hundred seventy-two million, seven hundred seven thousand, four hundred forty-three".