11140646579 has 2 divisors, whose sum is σ = 11140646580. Its totient is φ = 11140646578.

The previous prime is 11140646537. The next prime is 11140646617. The reversal of 11140646579 is 97564604111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11140646579 - 2¹² = 11140642483 is a prime.

It is a super-2 number, since 2×11140646579² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11140646519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570323289 + 5570323290.

It is an arithmetic number, because the mean of its divisors is an integer number (5570323290).

Almost surely, 2^11140646579 is an apocalyptic number.

11140646579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140646579 is an equidigital number, since it uses as much as digits as its factorization.

11140646579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 11140646579 in words is "eleven billion, one hundred forty million, six hundred forty-six thousand, five hundred seventy-nine".