11142601979 has 2 divisors, whose sum is σ = 11142601980. Its totient is φ = 11142601978.

The previous prime is 11142601931. The next prime is 11142602039. The reversal of 11142601979 is 97910624111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11142601979 - 2²⁰ = 11141553403 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142601909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571300989 + 5571300990.

It is an arithmetic number, because the mean of its divisors is an integer number (5571300990).

Almost surely, 2^11142601979 is an apocalyptic number.

11142601979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142601979 is an equidigital number, since it uses as much as digits as its factorization.

11142601979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 11142601979 in words is "eleven billion, one hundred forty-two million, six hundred one thousand, nine hundred seventy-nine".