11142624641 has 2 divisors, whose sum is σ = 11142624642. Its totient is φ = 11142624640.

The previous prime is 11142624617. The next prime is 11142624683. The reversal of 11142624641 is 14642624111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10789184641 + 353440000 = 103871^2 + 18800^2 .

It is an emirp because it is prime and its reverse (14642624111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11142624641 - 2²² = 11138430337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11142624598 and 11142624607.

It is not a weakly prime, because it can be changed into another prime (11142626641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571312320 + 5571312321.

It is an arithmetic number, because the mean of its divisors is an integer number (5571312321).

Almost surely, 2^11142624641 is an apocalyptic number.

It is an amenable number.

11142624641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142624641 is an equidigital number, since it uses as much as digits as its factorization.

11142624641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The spelling of 11142624641 in words is "eleven billion, one hundred forty-two million, six hundred twenty-four thousand, six hundred forty-one".