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1111119979 is a prime number
BaseRepresentation
bin100001000111010…
…0101100001101011
32212102202202001211
41002032211201223
54233421314404
6302131053551
736351235564
oct10216454153
92772682054
101111119979
1152021a982
122701412b7
13149275258
14a77d516b
1567830b04
hex423a586b

1111119979 has 2 divisors, whose sum is σ = 1111119980. Its totient is φ = 1111119978.

The previous prime is 1111119959. The next prime is 1111120009. The reversal of 1111119979 is 9799111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111119979 - 29 = 1111119467 is a prime.

It is a super-3 number, since 3×11111199793 (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1111119959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555559989 + 555559990.

It is an arithmetic number, because the mean of its divisors is an integer number (555559990).

Almost surely, 21111119979 is an apocalyptic number.

1111119979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111119979 is an equidigital number, since it uses as much as digits as its factorization.

1111119979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103, while the sum is 40.

The square root of 1111119979 is about 33333.4663514013. The cubic root of 1111119979 is about 1035.7469241032.

The spelling of 1111119979 in words is "one billion, one hundred eleven million, one hundred nineteen thousand, nine hundred seventy-nine".