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1113245191 is a prime number
BaseRepresentation
bin100001001011010…
…1100011000000111
32212120202201022101
41002112230120013
54234442321231
6302244412531
736405266542
oct10226543007
92776681271
101113245191
11521441653
122709a7147
1314983a686
14a7bc9859
1567b00661
hex425ac607

1113245191 has 2 divisors, whose sum is σ = 1113245192. Its totient is φ = 1113245190.

The previous prime is 1113245179. The next prime is 1113245249. The reversal of 1113245191 is 1915423111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1113245191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113245141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556622595 + 556622596.

It is an arithmetic number, because the mean of its divisors is an integer number (556622596).

Almost surely, 21113245191 is an apocalyptic number.

1113245191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113245191 is an equidigital number, since it uses as much as digits as its factorization.

1113245191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 28.

The square root of 1113245191 is about 33365.3291756578. The cubic root of 1113245191 is about 1036.4068528060.

The spelling of 1113245191 in words is "one billion, one hundred thirteen million, two hundred forty-five thousand, one hundred ninety-one".